# Volcanic risk management practice evolution between vulnerability and resilience: The case of Arequipa in Peru

Pascal Lièvre, Eléonore Mérour, Julie Morin, Luisa Macedo Franco, Domingo Ramos Palomino, Marco Rivera Porras, Pablo Masías Alvarez, Benjamin van Wyk de Vries

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Pascal Lièvre, Eléonore Mérour, Julie Morin, Luisa Macedo Franco, Domingo Ramos Palomino, et al.. Volcanic risk management practice evolution between vulnerability and resilience: The case of Arequipa in Peru. Frontiers in Earth Science, 2022, 10, 10.3389/feart.2022.877161. hal-03816624

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Rodrigo Cienfuegos,
Pontificia Universidad Católica de Chile,
Chile

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Felipe Aguilera,
Catholic University of the North, Chile
Jan Marie Lindsay,
The University of Auckland,
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Manuel Tironi,
Pontificia Universidad Católica de Chile,
Chile

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Eléonore Mérour,
eleonore.merour@uca.fr

¹These authors have contributed equally to this work and share first authorship

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Lièvre P, Mérour E, Morin J, Macedo Franco L, Ramos Palomino D, Rivera Porras M, Masías Alvarez P and van Wyk de Vries B (2022), Volcanic risk management practice evolution between vulnerability and resilience: The case of Arequipa in Peru. *Front. Earth Sci.* 10:877161. doi: 10.3389/feart.2022.877161

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Volcanic risk management
practice evolution between
vulnerability and resilience: The
case of Arequipa in Peru

Pascal Lièvre¹†, Eléonore Mérour¹*†, Julie Morin²,
Luisa Macedo Franco³, Domingo Ramos Palomino⁴,
Marco Rivera Porras³, Pablo Masías Alvarez⁴ and
Benjamin van Wyk de Vries⁵

¹CleRMa, Université Clermont Auvergne, Clermont-Ferrand, France, ²Department of Geography, University of Cambridge, Cambridge, United Kingdom, ³Instituto Geofísico del Perú (IGP), Observatorio Vulcanológico del Sur, Urb La Marina Cayma, Arequipa, Peru, ⁴Observatorio Volcánico del Instituto Geológico Minero y Metalúrgico (OVI-INGEMMET), Arequipa, Peru, ⁵CNRS, IRD, OPGC, Laboratoire Magmas et Volcans, Université Clermont Auvergne, Clermont-Ferrand, France

This paper proposes a new way of understanding the debate between vulnerability and resilience. We mobilize on the theoretical level the notion of "paradigm" in the sense of Kuhn and, on the methodological level, Foucault's notion of "apparatus" to understand volcanic risk management practices. Through an interdisciplinary approach, combining management, geography and Earth sciences, we study the evolution of volcanic risk management practice in Arequipa (Peru) from the 1990s to the present. To do this, we look at the history of volcanic risk management in Arequipa, using a qualitative interview methodology based on six in-depth centered interviews from the main actors of this history, supported by a 2-month ethnography which allowed access to large institutional documentation (reports, studies, archives, maps, pictures...). Management practices in Arequipa appear to be centered on the paradigm of vulnerability since the 1990s. Some operations since 2015 named as resilient emerge but they are still inscribed in the vulnerability paradigm. The results show the relevance of the theoretical and methodological framework chosen for Arequipa but also the possibility of using it in a more general way.

KEYWORDS

vulnerability, resilience, paradigm, risk management practice, Arequipa

Introduction

The purpose of this paper is to make a theoretical proposal to account for volcanic risk management practices through an interdisciplinary approach combining management, geography and Earth sciences. We note on the one hand a deficit of theorization around “management practices” in the field of Earth sciences (Donovan and Oppenheimer, 2014) and on the other hand a difficulty in distinguishing and articulating practices in reference to the concepts of vulnerability and resilience.
Volcanic risk management practices are associated with the notion of vulnerability and/or resilience, which are relatively intertwined and connected notions as expressed by Cutter et al. (2008). To clarify the debate, we approach the interaction between vulnerability and resilience from the notion of paradigm in the sense of Thomas Kuhn (1972), considering that within each paradigm, there is always “a point of view on the world” beyond the theoretical part. The passage from one paradigm to another paradigm is always a radical change of point of view capable of better integrating a number of questions posed by the previous paradigm. Thus, it is possible to propose a reading grid of the two paradigms by pair of contrasts. The multiplication of works on vulnerability and resilience, but also of the links between them in the field of volcanic risk management, makes a conceptual clarification necessary.

Recent studies also note the lack of literature to articulate practices in relation to vulnerability and resilience (Miller et al., 2010; Fekete et al., 2014). To answer this deficit, we refer to a new current of research in social sciences centered on practice from the seminal works of Foucault (2001; 2009), Giddens (1979), Bourdieu (1972) and Latour (2006). Based on a narrative on the history of volcanic risk management in Arequipa, we highlight local risk management practices and their arrangement in an apparatus, considered as a methodological tool. We approach the notion of “apparatus” in the sense of Foucault (2001), extended in organization and management sciences (McKinlay and Starkey, 1998; Gilbert and Raulet-Croset, 2021). We use the notion of apparatus as a methodological tool to understand management practices as a set of heterogeneous elements such as theoretical frameworks, tools, institutions, places, etc. These social and material elements are linked together in order to obtain a performance (Foucault, 2001). This way of understanding practices is close to the theory of assemblage in the geography of risk (Donovan, 2017) which is based on the work of Latour (2006).

First, we review the links between vulnerability and resilience through the notion of “paradigm” in the sense of Kuhn (1972) to clarify the transition from vulnerability to resilience. Secondly, we present the context of Arequipa and the methodology through the notion of apparatus (Foucault, 2001). In the third part, we present the factual evolution of volcanic risk management practices in Arequipa, Peru, as close as possible to the categories constructed by the stakeholders since the 1990s. In a fourth step, we test our theoretical grid to interpret this history. In a conclusion, we identify the main contributions of this work, the related limitations and future perspectives.

## Risk management: From a vulnerability to a resilience paradigm

Volcanic risk management practices are associated with the notion of vulnerability and/or resilience, which are relatively

related, intertwined, and connected notions as expressed by Cutter et al. (2008). To clarify, we proposed to approach the interaction between these two notions from the notion of paradigm in the sense of Kuhn, considering that within each paradigm there is always beyond the theoretical part “a point of view on the world,” and that the passage from one paradigm to another paradigm is always a radical change of point of view able to better integrate a number of questions posed by the previous paradigm. Thus, it was possible to propose a reading grid of the two paradigms by pair of contrasts.

We mostly rely on the literature in geography on the concepts of vulnerability and resilience in their approach to natural or technological hazard management. This literature is very large, in terms of the number of articles published over the last 40 years (Barroca et al., 2013, see Figure 1). It is also extremely complex (Morin, 2008) in the sense that contradictory and opposing logic emerges, while links are also proposed between the literature on the two concepts (Fuchs and Thaler, 2018). As Cutter (2018:257) reminds us, “Vulnerability and resilience are well known and often discussed concepts in disaster research. Depending on the disciplinary, methodological, or philosophical perspective, these two concepts have very distinct and contested meanings and research traditions.”. At the same time, many researchers propose to establish links between these two concepts (i.e. Adger, 2006; Folke, 2006; Cutter, 2006; Gallopín, 2006; Turner, 2010; Miller et al., 2010; Cutter, 2018). Some even speak of a continuum between these two approaches by suggesting “social vulnerability” as a bridge between the two (Cutter, 2006; Miller et al., 2010; Provitolo, 2010).

We approach the debate between vulnerability and resilience in geography from the notion of paradigm in the sense of Kuhn (1972): a succession of paradigms that each time constitute “a new world view,” combined with a theoretical corpus, methods, emblematic cases, indicators, etc. One can understand a previous paradigm one from the point of view of a new paradigm 2, but not vice versa. Kuhn (1972) defends the idea of the relevance of paradigms in the development of science, as they allow a community to focus on a certain type of problems and solutions.

We suggest a reading of the debates between vulnerability and resilience from a paradigm point of view. Thus, we consider vulnerability as the first paradigm, which proposes to address the issue of so-called “natural” risk management and which has been constructed since the 1970s. White (1974), geographer at the University of Chicago, appeared as the precursory proponent of this approach, which was to become the dominant paradigm in the 1990s (Cutter, 1996; Dauphiné 2001; Adger, 2006). The emergence of the resilience paradigm in the 2000s can be understood as a response to the problems faced by the vulnerability paradigm. It is in this way that we interpret the work of Alexander (2013) in his etymological journey around resilience. The concept comes from ecology and psychology and challenges social science (and geographic approaches) to risk reduction by proposing a new approach. Other researchers also
<figure><img src="image_3.png" /><figcaption>**FIGURE 1**

Geography publications with "vulnerability" or "resilience" in their title, based on data available on Web of Science (reproduction from Barroca et al., 2013).</figcaption></figure>

considered this evolution (Dauphiné and Provitolo, 2007; Barroca et al., 2013; Tomassi, 2018). At present, both paradigms are not equally mature, and the resilience paradigm is still in an exploratory stage compared to the vulnerability paradigm, as can be seen from the quotes below:

"To reduce the damage from disasters, practitioners have for centuries proposed a strategy to improve the resistance of societies to a hazard. They calculate increasingly precise predictable magnitudes of the hazard, and then persuade officials to build defensive equipment to protect society. Following this strategy, they built dykes along rivers and then dams upstream against flooding. Anti-seismic measures are also part of this approach, effective when the precise impact of the hazard can be predicted. However, this situation is exceptional. There are many reasons why it is often impossible to obtain accurate results and therefore to properly calibrate structures. It is then possible to adopt another strategy based on the concept of resilience. This second strategy aims, not to oppose the hazard, but to reduce its impacts as much as possible." (Translated from Dauphiné and Provitolo, 2007:115-125).

"At the turn of the millennium, after having put forward the concept of vulnerability, resulting from the politicization of risk and disaster studies during the 1970s, risk management was enriched by a new notion, that of resilience. This concept has enabled us to renew the way in which we conceive the relationship between urban society and risks (natural or technological) in a context of climate change, high uncertainty and increasing number of disasters. At a time when we thought we had mastered natural hazards thanks to technology, the latter revealed its unthinkable aspects and the fragility that accompanies it. Sometimes seen as the positive side of

vulnerability, resilience is an integrative notion with a fairly broad meaning that concerns not only the capacities of a social group and/or a territory (or, more broadly, a socio-technical or ecological system, etc.) to cope with a disaster, but also its ability to recover from this disruption and turn it into an "opportunity."" (Translated from Tomassi, 2018:1).

As these two extracts show, it is in the face of imprecise, or unmeasurable risk predictions that resilience emerged as another way of approaching risk management from what we must call uncertainty. An important distinction must be made between the notion of risk and that of uncertainty. Vulnerability is based on a classical vision of risk, i.e., a potential danger whose probability of occurrence can be calculated objectively and historically (Fischhoff et al., 2011). In this perspective, uncertainty is ultimately understood as risk and if objective probabilities are not possible to know, subjective probabilities will be mobilised, using the point of view of experts, making a reduced distinction or merging these two without making any logical distinction between these two categories. Taking the limitations of this approach to risk as our starting point, we will explore uncertainty in order to address the new perspective of resilience. This is a "radical uncertainty" in the sense of Knight (1921), and Callon et al. (2009) point out, that the notion of uncertainty can be understood more precisely in terms of the unknown, i.e., "the only thing we know is that we do not know." Therefore, an improvement of the overall resilience of a system is to improve its ability to cope with the unknown, i.e., with situations that cannot be anticipated. These two perspectives, a risk-based approach to vulnerability and an uncertainty-based approach to resilience, represent a radical theoretical opposition in the way risk management is
<table><caption>TABLE 1 The contrasts between the paradigms of vulnerability and resilience.</caption><thead><tr><th>Paradigm</th><th>Vulnerability</th><th>Resilience</th></tr></thead><tbody><tr><td>Definition</td><td>The propensity to be negatively affected by and unable to cope with potentially dangerous situations<br>It is a static state</td><td>The ability to cope with and learn from potentially dangerous situations<br>It is a dynamic capacity</td></tr><tr><td>Basic principle</td><td>It is possible to technically control the impact of a hazard on a territory</td><td>The impact of a hazard can be reduced by building on the overall adaptive capacity of the territory</td></tr><tr><td>Approach</td><td>Analytical—Deterministic</td><td>Complex system</td></tr><tr><td>Starting point</td><td>Hazard</td><td>Territory</td></tr><tr><td>Nature of the solution</td><td>Technical Factor</td><td>Human Factor</td></tr><tr><td>Characterization of the approach</td><td>Defensive<br>Top-Down</td><td>Offensive<br>Bottom-Up</td></tr><tr><td>Centering</td><td>Risk</td><td>Uncertainty</td></tr><tr><td>Problems and limitations</td><td>a) The degree of accuracy of predictions related to the impact of the hazard is still insufficient<br>b) It is difficult to incorporate the adaptive capacity of the system into the model</td><td>a) The difficulty of constructing indicators to measure resilience<br>b) Complexity of implementation</td></tr></tbody></table>

approached. This radical opposition between risk and uncertainty has been tackled head-on by economists and sociologists such as Dupuy and Grinbaum (2005) and Callon et al. (2009).

Barroca et al. (2013) suggest presenting vulnerability and resilience as two opposing perspectives, although there is also work that tends toward the unification of the two concepts. Vulnerability is centred on a state of fragility of a territory in reference to a potential danger, from an analytical perspective, and the resilience on a capacity to cope and learn from a potential danger, from a systemic and complexity perspective. We have retained from Barroca et al. (2013) the opposition of vulnerability and resilience, employing on one hand, an analytical approach and, on the other, a systemic approach based on the work of Le Moigne (1977).

We propose to account for the debate between vulnerability and resilience paradigm as an opposition between two world views that can be radically opposed in terms of definition, basic principle, approach, starting point, nature of the solution, characterization of the approach, focus and finally in their problems and limitations.

We retain the definition proposed by Kelman et al. (2015) in their article, where they borrowed from the work of the IPCC 2013-2014. Vulnerability is, “The propensity or predisposition to be adversely affected. Vulnerability encompasses a variety of concepts including sensitivity or susceptibility to harm and lack of capacity to cope and adapt.” We retain two basic elements 1) “a propensity to be adversely affected” by something potentially dangerous and 2) an inability to cope. This is a static state of fragility. This idea is reflected in the benchmark paper of Adger (2006): “Vulnerability is the state of susceptibility to harm from exposure to stresses associated with environmental and social change and from the absence of capacity to adapt.” Resilience is

defined as The capacity of a social-ecological system to cope with a hazardous event or disturbance, responding or reorganizing in ways that maintain its essential function, identity, and structure, while also maintaining the capacity for adaptation, learning, and transformation. We retain two important elements which make resilience appear the opposite of vulnerability as: 1) “the capacity (...) to cope with a potentially dangerous situation” (p. 132, Kelman et al., 2015), and 2) the ability to learn from this event. It is a dynamic capacity to learn. We propose a comparison of these two concepts below (see Table 1).

The vulnerability paradigm is based on a basic principle: it is technically possible to control the impact of a hazard on a territory. It is an analytical and deterministic approach. The starting point of the analysis is the study of the hazard and its probability of occurrence, and the ability to assess the probability of the hazard causing damage to the area. The solution is technical. It is a defensive, top-down approach, centered on a classic risk approach. This perspective poses problems of two kinds: 1) the degree of precision of the forecasts related to the impact of the hazard often appears insufficient and the reality deviates from the established scenarios, 2) it is difficult to integrate into the model the adaptive capacity of the system.

The resilience paradigm is based on a basic principle: the capacity of a territory to adapt can reduce the impact of a hazard. The starting point of the analysis is the study of the characterization of the socio-technical system that constitutes the territory. It is a complex system approach. The solution is based on the capacities of individuals, groups and the territory to deal with the actual situation. It is an offensive, bottom-up approach, centered on an approach to uncertainty (Callon et al., 2009). The problems encountered by this perspective are twofold: the difficulty of constructing indicators for measuring resilience and the complexity of implementing them.
<figure><img src="image_4.png" /><figcaption>FIGURE 2
Volcanic context and risk management stakeholders in and around Arequipa.</figcaption></figure>

We will continue the discussion on the relationship between the two paradigms in terms of their complementarity or their substitution with possible integration or replacement by complete rupture. As recommended by some authors (Miller et al., 2010; Fekete et al., 2014), we aim to provide a new way to link the vulnerability and resilience paradigms to their effective practices by applying them in a specific territory: the city of Arequipa in Peru.

## Volcanic context in Arequipa in southern Peru

Arequipa is a city of 1.1 million inhabitants in southern Peru (INEI, 2018), with a historical centre listed as UNESCO World Heritage, and city outskirts rapidly expanding, with informal urbanization, into areas exposed to geological, seismic, and hydro-meteorological hazards. Arequipa is framed by three large volcanoes: Chachani, El Misti and Pichu Pichu. El Misti is active and constitutes a probable eruption threat for the city, Chachani is potentially active, and all three volcanoes host a major risk of torrential floods and lahars (volcanic debris flows). We illustrate the volcanic context and some risk reduction measures below (see Figure 2).

El Misti erupted last in 1440–1470 AD (Thouret et al., 1995) and has a 2000–4000-years highly hazardous Plinian eruptive cycle (Cobeñas et al., 2012). The volcano currently exhibits only slight gas plumes and is not an immediate hazard. However, the numerous ravines originating from El Misti and that cross the

city of Arequipa are major features in terms of risk in Arequipa, as the city experiences destructive events related to torrential rains almost every year. The monopolization of attention on these hazards that occur annually counter-intuitively hinders risk awareness about a potential eruption, even though such events should raise attention to the lahars that would be induced in the event of a large eruption by the remobilization of freshly deposited volcanic material (Sandri et al., 2014).

Less than 75 km northwest of Arequipa, two other volcanoes are currently erupting, and have been doing so regularly for the past 30 years: the Sabancaya volcano (70 km northwest) and the Ubinas volcano (about 60 km east, in the Moquegua province). Like El Misti, they are continuously monitored by the Geophysical Institute of Peru (IGP) and the Volcanic Observatory of the Geology, Mining and Metallurgy Institute (OVI-INGEMMET). Risk management programs around volcanoes in southern Peru involve different stakeholders, such as: the Regional Operational Emergency Center (COER), the National Institute of Civil Defense (INDECI), the National Center for Disaster Risk Estimation, Prevention and Reduction (CENEPRED) and the Department of Risk Management of the Provincial Municipality of Arequipa (DRMPMA).

Since 2014, all of these stakeholders have been part of the national disaster risk management system (SINAGERD). The COER is in charge of coordinating emergency risk management at the regional level, and the INDECI relies on it to act operationally in helping the population before, during and after disasters. The DRMPMA is in charge of all the work and training to be done on the culture of risk management in its
provincial territory, which includes the city of Arequipa and its districts. In this paper, we propose to document the different volcanic risk management practices in Arequipa in the last 30 years.

Methodology

We chose a qualitative methodology to approach the stakeholders' volcanic risk management practices as closely as possible *in situ* in order to document the links that unite them to vulnerability and resilience paradigms. We made a literature review on the vulnerability and resilience paradigms in geography to better understand the theoretical discussion and analyze their influence on policies and regulations in Arequipa. To approach the notion of practice theoretically, we rely on the growing body of seminal work in the contemporary social sciences around Foucault (2001), Foucault (2009); Giddens (1979), Bourdieu (1972), and Latour (2006). It is a real turning point in the field of social sciences. The book directed by Schatzki et al. (2001) constitutes an important step in this direction, it is through practices (which include actions and interactions) that we can understand the organization, reproduction and transformation of social life. This perspective has given rise to important developments in the field of management science *via* what is known as the Strategy-As-Practice (SAP) current (Whittington, 1996; Jarzabkowski, 2003; Golsorkhi et al., 2010; Fenton and Langley, 2011; Rouleau, 2013; Whittington, 2017).

To approach volcanic risk management practices, we did an ethnographic investigation in residence in the main volcanic observatories (Geophysical Institute of Peru (IGP) and the Volcanic Observatory of the Geology, Mining and Metallurgy Institute (OVI-INGEMMET) between January and March, 2020. This led to the writing of a field diary (100 pages) and six in-depth centered interviews.

For these interviews, we selected historical actors from IGP, INGEMMET, and LMV who lived the early times of the work done in Arequipa (around 1994–2002). They were anonymous and their average duration was around 50 min. We conducted our interviews with an approach centered on the historical, chronological and living experiences of the interviewees to allow them to produce a fluid discourse (Morris, 2015) while we addressed several themes during the conversation: materiality and symbolism around the volcano, volcanic risk management, political and media stakes, the way scientist and institutions are perceived, and their experience of a lived extreme event i.e., a disaster or a crisis. This method seems particularly suited to the construction of a narrative from the stories lived by the actors because it produces “a way of knowing” (Seidman, 2006).

Interviews were analyzed with a grounded theory approach (Glaser and Strauss, 2017) using a constant comparison analysis to select the different activities reported and to code them as

practices. This coding allowed the emergence of indigenous categories (“risks awareness center,” “volcanic eruption simulation,” etc.) that represent practices developed in Arequipa. We do not pretend to list exhaustively all the practices observed in Arequipa but we highlight those that have been major steps in improving risk management. Obviously, the choices made are not of the order of establishing a hierarchy of values, but of a will to show the variety of practices in an objective synthesis.

We collected a rich documentation that have helped us to triangulate the data and chart the progression of ideas on how to deal with the negative effects of volcanic and other associated hazards (i.e., lahars, hail, snow, earthquakes). This is done by following the scientific literature specifically focused on Arequipa from the 1990s and reports from governmental bodies, such as geological surveys (IGP, OVI-INGEMMET), observatories and civil defense. Such reports are considered the main local way of science communication.

We used all this documentation to reconstruct the history through a realist narrative approach, “to put ethnography on the intellectual and literary map” as described by Van Maanen (2011) and based on the proposition for a Foucauldian approach to narratives (Tamboukou, 2008). Throughout the narrative below, we factually reference all the management practices carried out by the actors around the monitoring and management of volcanic risks in Arequipa. We follow Foucault’s genealogical approach (2009) to illustrate the way these elements combine in a genealogical map and create an assemblage that fulfills a role in volcanic risk management.

Indeed, the notion of apparatus (Foucault, 2001; Foucault, 2009) is an assemblage that associates technical and social elements in the production of a performance. Management sciences have taken up this notion and adapted it for many years (McKinlay and Starkey, 1998; Gilbert and Raulet-Croset, 2021) to define a management apparatus as:

a) a set of heterogeneous elements,

b) which are linked together,

c) with the aim of producing a performance in relation to an activity.

The assemblage includes elements of different nature: stakeholders and institutions, theoretical frameworks, plans, events, projects, tools, places, etc. We will look at the practices in relation to these elements which are crucial to developing volcanic risk management. The links between them make the performance of the system and may evolve during the history of the system. Based on these principles, two possibilities have been proposed: The Actor Network Theory (Latour, 2006) divides human and non-human actors, but we rely on the approach based on management instruments, which includes material and social elements in their assemblage (Gilbert and Raulet-Croset, 2021). This could eventually fit with the research field around
Disaster Risk Management Assemblage (DRMA), a research current that proposes to approach Disaster Risk Management (DRM) from an assembly theory (Grove, 2013; Angell, 2014; Grove and Adey, 2015; Gillard et al., 2016; Donovan, 2017; Marks, 2019; McGowran and Donovan, 2021).

This methodology allows us to analyze practices around volcanic risk management in Arequipa and discuss them in relation to the vulnerability and resilience paradigm. This could eventually help stakeholders to review their experience around volcanic risk assessment and management in Arequipa from a reflective, historical and social perspective, as recommended by Gaillard (2010) to move away from a technocratic vision of disasters.

## 1994–2020: History of volcanic monitoring and risk management in Arequipa, Peru

In the early 1990s, little was known about the eruptive potential of the volcanoes of southern Peru, although this area was considered one of the most dangerous in the world, also facing seismic and meteorological hazards (De Silva and Francis, 1991). Despite a series of studies conducted by a few researchers before the 1990s (Bullard, 1962; Hoempler, 1962; Gonzalez Ferran, 1990; Huaman-Rodrigo et al., 1993), volcanic monitoring was still in its infancy and risk management was almost very limited, but IGP started the volcanic monitoring of Sabancaya volcano between 1988 and 1994. A study conducted locally in Arequipa at the University of San Agustin (UNSA) provided the first basis of knowledge about the potential hazards of El Misti (Macedo, 1994; Masuno Kosaka et al., 2000). The arrival of Jean Claude Thouret (IRD) in 1995 (Thouret et al., 1995) in Arequipa started the first hazard assessment studies of the volcanoes: Ubinas, Huaynaputina, Ticsani, Misti, and the training of several volcanologists.

At the beginning of the 2000s, Peru was largely under-resourced in terms of human and organizational resources to deal with natural hazards, especially in southern Peru. The institutions such as INGEMMET and IGP, which operate volcano mapping and monitoring, were based in Lima and had no local Arequipa branch. The IGP installed a volcanology office in Arequipa in 1988, due to the reactivation of the Sabancaya volcano which continues to present. IGP thus began a temporary monitoring of volcanoes that developed slowly until 2004. Over this period, a telemetric seismic network was installed at El Misti in partnership with the French Institute for Development (IRD), and the Regional Government of Arequipa. The volcanoes gradually began to have monitoring equipment installed with help from foreign donations (such as from the USGS), but between the years 2000 and 2010, some of the institutions had great financial difficulties, preventing the development of their activities.

The geographers Degg and Chester (2005) proposed an initial history of this research, noting that there have been two major research agendas around vulnerability in Peru, and particularly in Arequipa: a first focused on physical factors related to vulnerability, and a second more integrated approach, led by Jean-Claude Thouret, aimed at considering the social factors in urban areas related to risk. A first agenda of research has helped to clarify the eruptive processes and hazards of different volcanoes in the region such as Sabancaya which erupted in 1990 (Thouret et al., 1994), and Huaynaputina which had a massive eruption in February 1600 AD (Juvigné et al., 1997), Ubinas volcano (Thouret et al., 2005) and El Misti volcano (Thouret et al., 1995; Thouret et al., 2001), which also erupted around 1440–1470 AD. Jean-Claude Thouret was primarily preoccupied with El Misti, since it looms over the city of Arequipa, threatening nearly one million inhabitants (as of 2001). He, therefore, introduced the second agenda of social vulnerability with Robert d’Ercole (D’Ercole et al., 1994; Thouret and D’Ercole, 1996; Thouret, 2002). The development context of Peru, with few means to cope with disasters, was highlighted and thus became one of the major issues of this paradigm.

In the wake of the work of Peruvian scientists and practitioners, the first operational project called “Eaux de source au Pérou” (EDSAP: “spring water in Peru,” Levieux et al., 2007) coordinated by Anthony Finizola (LMV), through the French based NGO “Volcan-Explor-Action” (VEA). The purpose of this project was to establish a first awareness center at the Museo Andino with the implementation of educational posters, still hung as of 2020.

A group of researchers from the USGS, UNSA, the University of Buffalo (Unites States), the National Autonomous University of Mexico (UNAM) and the LMV constructed an essential volcanology tool: the hazard map of El Misti volcano. The construction of the hazard map was intended to consider several types of hazards: 1) hazards related to pyroclastic flows on the slopes of the volcano, 2) hazards generated by ballistics and tephra, 3) hazards related to lahars, and finally 4) hazards related to possible rock avalanches caused by the collapse of a flank of the volcano. This hazard map was finalized and published in 2006 (Mariño et al., 2006). We will show that it became an important interface around which the stakeholders in charge of volcanic monitoring and then those of risk management in Arequipa gathered in the framework of their activities. In particular, it was mobilized for the organization of the first public event related to risk management: the first simulation of a volcanic eruption of El Misti in 2009 with the participation of all the stakeholders in charge of risk management (INDECI, COER, and DRMPMA) and the volcanic observatories of INGEMMET and IGP.

Since 2005, INGEMMET has organized seven international forums on volcanic risk (2005, 2006, 2007, 2008, 2010, 2013, and 2015) with an increasing number of presentations from foreign participants, both from southern and northern countries. They
also started the monitoring of Ubinas volcano in 2006. The eruption of Ubinas volcano between 2006 and 2009 (in the region of Moquegua, bordering the Arequipa region) was a catalyst in the organization of the first volcanic eruption simulation in Arequipa (2009). Indeed, for the first time, stakeholders had to manage an eruptive crisis that threatened villages, and they managed to successfully evacuate inhabitants (Rivera et al., 2010), despite facing very complicated conditions (lack of staff, knowledge and organization of the authorities).

In 2011, the Risks Awareness Center<fnref n="1" /> opened in Arequipa to raise awareness of the various seismic, electrical and volcanic risks. The creation of the center is a decision of General Carlos Nacarino of the INDECI following the magnitude 8.4 earthquake that hit the city of Arequipa in 2001, and that left a deep trace in the memory of the inhabitants. It was intended for schoolchildren of the Province and reflects the dialogue that has been operated between a number of actors, as the development of the different educational rooms of the center was made through the participation of all actors in charge of monitoring and management of volcanic risks (INGEMMET, IGP, INDECI, COER, DRMPMA, and VEA).

After being hosted in the premises of the INDECI, with few resources to carry out its activities, INGEMMET inaugurated in 2013 its first volcanic observatory place in Arequipa and continued to work with LMV scientists on a second operational project with Peruvian school children called “Geoscientific communication problem with communities for disaster prevention and land planning in Peru” (Macedo et al., 2014).

In 2013, all the actors of risk management in Arequipa, COER, INDECI, DRMPMA, as well as the institutions in charge of volcanic monitoring (IGP, INGEMMET, UNSA) created a coordination platform for volcanic risk management, but its sustainability was difficult to maintain and raised many discussions. In 2014, Peru adopted its first plan for a national disaster risk management system (SINAGERD, 2014) that was implemented at different scales (national, regional, and local). This new structuration will permanently change the consideration of volcanic risk management in Peru, especially for Arequipa, by allowing a link between national risk management policies and their local application, with financial means and stronger inter-institutional coordination.

The “Café con ciencia” has been organized in 2019 by the IRD, the LMV and the Alliance Française in Arequipa (with the presence of INDECI, INGEMMET, and DRMPMA). Other recent projects—many of which are still ongoing -, are being conducted in the Arequipa region, such as the one on risk reduction in the town of Caylloma around the Sabancaya volcano by the NGO PREDES (Center for Disaster Studies

and Prevention) between 2018 and 2020. This NGO, involved for 10 years in risk reduction in the region of Arequipa, joined a new actor, the NGO ADRA (Adventist Development and Relief Agency) to inaugurate in 2020 a new project called, “Preparados Ante Volcanes y Sismos” (“Prepared to face Volcanoes and Earthquakes”) that consists of developing early warning systems in the regions of Arequipa (El Misti) and Moquegua (Ubinas), as recommended by the UNDRR. In addition, an interactive 3D map of the risks related to El Misti has been built between 2014 and 2020 by INGEMMET.

Further studies were developed on volcanic risk perception in Arequipa, such as the project “Risk perception around el Misti Volcano” in two neighborhoods of Arequipa variably exposed to hazard risk (Jacquez and Rouquette, 2021, in collaboration with the Geophysical Institute of Peru (IGP)). Another project is being conducted by the IGP around volcanic risk perception coordinated by Luisa Macedo (Andina, 2021) with a population of about 5,000 university students in Arequipa. In the meantime, IGP opened in 2018 his new volcanic observatory in Arequipa named CENVUL (El Centro Volcanológico Nacional), and inaugurated his new building in 2022.

New activities based on geological heritage emerged in Arequipa in the 2010s (led by INGEMMET). They aim to consider such heritage and the role of the Earth sciences and governments in the preservation of geological sites of interest (Gray, 2004; Brocx and Semeniuk, 2007) and in particular the construction of a new UNESCO program around geoparks (Patzak and Eder, 1998). Between 2013 and 2019, Benjamin van Wyk de Vries engaged in theoretical deepening and reported on the need for geoheritage to develop knowledge and find new ways to answer questions posed by society, pointing to the difficulties of dialogue between different stakeholders facing disaster risk who have a different use of science (van Wyk de Vries, 2013; Olive-Garcia and van Wyk de Vries, 2017). In 2019, he argued that it is necessary to establish a relationship between hazard and risk *via* the design of geosites (van Wyk de Vries and Vereb, 2019).

In 2018, van Wyk de Vries and a group of international colleagues proposed the UNESCO International Geoscience Programme project n°692 'Geoheritage for Geohazard Resilience, in which the inventory of potential geosites around Arequipa was made (Salazar et al., 2021). The geosites are characterized by a set of geological and landscape areas, with different levels of protection and vulnerability, in which all the information on the local human presence, geosphere, and biosphere are made available to increase awareness of the overall risk.

The “Ruta de Sillar” (the Sillar route) is a tourist excursion that takes visitors from the historic city, to observe the Inca terraces above Arequipa and El Misti volcano, and then visits the Sillar quarries at Añashuayco, the extraction area of the Sillar stone. The Sillar quarries and the canyon are high risk areas, frequently affected by floods and debris flows. The conception of

<footnote n="1">1 Translation from spanish: “Centro de sensibilización de riesgo de desastres”.</footnote>
the Sillar Quarry as a geosite has led to a discussion with the miners in place (for whom the extraction of Sillar is a basic income), as well as other actors (INGEMMET, IRD, and UNESCO) in order to further develop this geotouristic zone to raise awareness of natural risks, while increasing the tourist offer, increasing visitation, integrating safety measures, and importantly assisting in the regularization of the quarrymen's legal possession of their lands and workplace.

The consideration of the communities with respect to volcanic environments and risks prompted numerous presentations at the “Volcanes y Comunidad” colloquium by INGEMMET in August 2020, mainly around the Latin American geology community, and also in other international meetings. Another geosite project, “Ruta de Huayruro” in Omate (Moquegua, 70 km from Arequipa), was also initiated by INGEMMET to raise awareness of the Huaynaputina eruption in 1,600 (VEI 6) that devastated several villages (Mariño et al., 2021). The first geotourism excursion was organized on the Ruta de Huayruro in April 2020.

This history allows us to account for the emergence of subsequent practices that Peruvian practitioners and local actors have developed in its wake. For example, the hazard map has become a fundamental mediation tool around which risk management is organized for the institutions of COER, CENEPRED, INDECI, DRMPMA. New simulations of volcanic eruptions of El Misti were carried out in 2010, 2018, and 2019, contributing to the knowledge of the hazards posed by the volcano. Since 2018, the regional government of Arequipa has issued an executive resolution enthroning the month of April as “Volcanology Month” in the region of Arequipa, during which many events are co-organized by INGEMMET and the regional government of Arequipa for professional and civic audience. The technological development that Peru has experienced in the last 30 years with the massive use of social networks, also allows institutions to communicate and Arequipeños to be better informed about the eruptive potential of the volcano, which is also considered with pride and an emblem for the city.

## Results

This history has allowed us to identify and select a significant amount of practices around the development of volcano monitoring and disaster risk management in Arequipa. We propose to use this history as a basis to account for the affiliation of these different activities with the paradigms of vulnerability and resilience.

First, as stated by Foucault (2001), Foucault (2009), the apparatus is an arrangement of plans, stakeholders and institutions, theoretical frameworks, events, projects, tools, places, i.e., elements that we can point to in our narrative as risk management practices that have been fundamental to the development of risk management in Arequipa.

- There are several theoretical frameworks: they are the result of a thorough theoretical structuring of an idea (volcanic hazards as a whole, or studies on the eruptive processes of volcanoes) and are therefore important elements to develop a common knowledge around risk management, validated by peers. We documented many studies that have been conducted in Arequipa and have led to a great improvement of the initial situation on volcanic risk management (Macedo, 1994; Juvigné et al., 1997; Thouret et al., 2005; Thouret et al., 1995; D'Ercole et al., 1994; Thouret and D'Ercole, 1996; Thouret, 2002; Masuno Kosaka et al., 2000; Degg and Chester, 2005; Rivera et al., 2010; van Wyk de Vries and Vereb, 2019).

- There are also projects carried out by similar actors or in connection with theoretical frameworks, as operative projects that have an influence on risk management actors but also on local populations (“spring water in Peru,” Levieux et al., 2007; Macedo et al., 2014; Jacquez and Rouquette, 2021, Andina, 2021), in collaboration with the Geophysical Institute of Peru (IGP) and the UNESCO International Geoscience Programme project n°692 'Geoheritage for Geohazard Resilience in collaboration with Geological institute of Peru (INGEMMET) (Salazar et al., 2021).

- There are tools that are generally developed in the framework of risk management, mostly in the vulnerability one (the Hazard map; the Risks Awareness Center, a coordination platform for volcanic risk management, early warning systems, interactive 3D map of the risks, Geosites).

- In this apparatus we also find events that allow to create links between risk management professionals and the population to raise awareness about volcanic risk management (the first simulation of a volcanic eruption of El Misti in 2009, INGEMMET's international forums (2005-2015), “Café con ciencia,” “Volcanes y Comunidad” colloquium, The first geotourism excursion, “Volcanology Month” in April).

- Finally, the apparatus is composed of a myriad of institutions: INGEMMET (established in 2013); CENVUL-IGP (established in 2018); INDECI; CENEPRED; COER; DRMPMA; ADRA; PREDES that have learned to collaborate together over 30 years.

All these risk management practices have contributed to forming this apparatus, but we can further analyze what allowed their emergence and structuring in Arequipa.

Second, we can retrospectively identify two major sets of studies that provided a significant anchor and agenda for subsequent practices in Arequipa: first, the reflections by Robert D'Ercole and Jean-Claude Thouret based on the vulnerability paradigm (D'Ercole et al., 1994; Thouret and D'Ercole, 1996; Thouret, 2002), and then those of Benjamin
<figure><img src="image_5.png" /><figcaption>TABLE 2 Theoretical framework for Physical and Social Vulnerability' in Arequipa.</figcaption></figure>

"According to the etymology, vulnerability is the fact of being vulnerable to injury, attack or having trouble in recovering endangered health. This definition implies two effects of vulnerability to natural hazards: on the one hand, the potential damage or the capacity to damage threatening natural phenomena and, on the other hand, the difficulties that an ill-prepared society encounters in reacting to the crisis and then restoring the balance in the event of a disaster (direct and indirect, immediate and lasting disruptions). These two aspects refer to two approaches to the system of vulnerability: the classic one is to measure the potential damage of the elements exposed to the threat; the new one, integrated and complementary to the first, aims to identify the conditions or factors conducive to damage or influencing the capacity to respond to a crisis situation. The aim of this new approach is to be used for operational research and the development of preventive planning in urban areas, particularly in developing countries (Dcs)." (Thouret and D'Ercole, 1996:407).

"Towards a new paradigm? In the face of natural disasters that are causing more and more damage in developed countries (about 100 billion dollars in Kobe, Japan, in 1995), we must change the way we think about risk management. This change is based on the fact that our societies are becoming more vulnerable to natural hazards because they result from the complex interaction between natural phenomena, socio-economic systems and behavioral patterns, which can only be partially predicted. In order for a society to be able to tolerate damage without external assistance and to overcome the loss of productivity and reduction in quality of life caused by a disaster, Mileti (1999) set several objectives that can be grouped under the paradigm of sustainable development. Once risk is defined through interdisciplinary work, the first step is to disseminate scientific knowledge of hazards in a language that the public can understand, to provide multidisciplinary education, and to train personnel responsible for damage mitigation and risk management. A national hazard and risk assessment should be conducted to examine the interactions between the country's natural and social systems and infrastructure that influence the effects of damaging natural events. Another objective is to record mitigation efforts and the cost of recorded losses in an internationally accessible database. As community resilience to natural hazards is essential, it must be enhanced by improving the quality of life and environment of the population and ensuring equity between and within racial, social, and generational categories. Thus, local actors must identify potential risks and then adopt a consensus regarding acceptable risk, as it is at the local level that this responsibility must be promoted. At the national level, scientific knowledge about hazards must be applied appropriately to reorient development projects, and a legislative and institutional framework must be redesigned so that regulations and programs concerning risks and sustainable development are integrated into a coherent governmental project. Finally, the retrospective review of past experiences is essential to measure the progress made in the field of risk management for sustainable development." (Thouret, 2002:521-522).

van Wyk de Vries based on the resilience paradigm (van Wyk de Vries and Vereb, 2019). In order to better understand the influence of these scientific studies, we propose to represent

the set of practices carried out in Arequipa through a map in a genealogical perspective (see Figure 3). This representation highlights the importance of these seminal studies that we
<caption>TABLE 3 Theoretical framework for Geoheritage for Geohazard Resilience in Arequipa.</caption>

"Natural hazards come from geosphere processes combined with the atmosphere and hydrosphere. Resilience is the ability of a population to resist and adapt to these natural hazards and even profit from them. Geoheritage is the appreciation and characterisation of geological features in relation to humanity. Geoheritage can be used to communicate natural hazards and relate them to risk, and could be especially valuable for developing countries, where resources are limited. This is done through geosites, the basic building block of geoheritage. A geosite is a location or area (e.g., outcrop or landscape feature). An area can be divided into different geosites, as basic units of the geology and landscape. This division provides a way of characterising the whole equation of risk (e.g., hazards + vulnerability = risk), as in each geosite information on all aspects of human presence (and biosphere) can be integrated. The geosite in this way becomes the unit area to characterise the whole risk problem, and can be used to work on all aspects of resilience in one coherent way. We provide examples of our first attempts of holistic geosite mapping that will be used for a global project called Geoheritage for Resilience. This is a network to develop geosites around the world in areas of natural risk that can be developed to describe geosites of special interest, protect them and use them to develop integrated risk assessment, mitigation and communication strategies. We provide examples from project sites such as the Macolod Corridor (Philippines), Dallol (Ethiopia), Ometepe Island (Nicaragua). Each site will be developed according to the local possibilities and resources. However, with a global network run *via* scientific social media, each site can help the other and pool resources, to maximise the development of geosites for resilience worldwide. Benjamin van Wyk de Vries and Viktor Vereb (2019).

Suggested references:

van Wyk de Vries, B. (2020). Patrimonio Geologico en ambientes volcanicos—ciclo de conferencias ALVO, Volcanes y Comunidad: impactos de la erupciones volcanicas en la sociedad moderna. Agosto 2020.

van Wyk de Vries, B. (2020). Geopatrimonio para la Resiliencia—ejemplos de buena practica en Arequipa y el Mundo. Ciclo de Conferencias del Géoparques mundiales de la UNESCO. 9–11 diciembre 2020.

Guilbaud, M-N., van Wyk de Vries, B. (2020). UNESCO IGCP projet 692. Geoheritage for Geohazard Resilience: a Global Geoheritage initiative to share knowledge, raise awareness and communicate about natural hazards. Oxford Geoheritage Virtual Conference (https://www.oxgvc.co.uk).

consider retrospectively as a theoretical framework that guided
the practices carried out over 3 decades in Arequipa.

Indeed, it is through the studies of Jean-Claude Thouret
(considered as a “Theoretical framework for Physical and Social
Vulnerability” in Arequipa<fnref n="2" />, see Table 2), that can be seen to be
the starting point of the whole volcanic risk management
apparatus in Arequipa (including both the physical and social
component of vulnerability). This apparatus shows a great
variety of elements: geological studies of El Misti, projects like
new early warning systems, tools like the map of hazards and
risks, places like the volcanic observatory of the INGEMMET and
events like the simulations of volcanic eruption or the “Cafe con
Ciencia.” It should be noted that a natural event like the eruption
of the Ubinas volcano plays a role in the apparatus. Among the
actors who participate in this apparatus, we can distinguish
official institutions in charge of volcano monitoring,
volcanology research laboratories, organizations in charge of
the risk management plan but also mayors, the Andean
museum, the Alliance Française, and also NGOs. All of these
elements gradually transform a theoretical framework into an
operational apparatus. We can note in this regard that this
operational apparatus was co-constructed between risk
management practitioners, volcanological engineers and
scientists in a spontaneous way while there was only a weak
institutional structuring around risk management in Arequipa
and few means to develop it. Indeed, it is only since 2014 with the
establishment of SINAGERD that Peru has had a risk
management policy articulated between the local and national
levels. Thus, local risk management practices have significantly

increased interest, funding, and knowledge dissemination in the
city of Arequipa, as well as the institutional structuring of risk
management with a specific program.

The resilience-centered volcanic risk management apparatus
in Arequipa developed in the Geoheritage for Geohazard
Resilience project also starts with a “Theoretical framework
for Geoheritage for Geohazard Resilience” in Arequipa (see
Table 3).

Van Wyk de Vries investigates approaches based on the
social vulnerability paradigm but introduce resilience operations
through geosites design. Indeed, the geosites are not only tools
with a defensive vocation: they emerge thanks to the co-
construction with stakeholders initially not concerned by risk
management but affected by risk (the miners of the Sillar quarry),
they have the vocation to respond to the tourist demand while
respecting the geological heritage, and above all, they are
educational and sensitive apparatuses that include artistic
approaches (realization of frescoes by the miners) as much as
sensorial landscape places.

Practices are less numerous for the “Theoretical framework fo
Geoheritage for Resilience” because of the recent history of the
apparatus, which started just in the last few years. On the other hand,
this apparatus will play a specific role depending on the places
chosen for the geosites. The same stakeholders are involved in this
apparatus as in the vulnerability apparatus, which proves the interest
of this approach but also its complementarity in relation to the
vulnerability one, in which they are all involved. In Arequipa, there is
an articulation between the two paradigms that can be described as a
paradigm of physical and social vulnerability, with social
vulnerability being mitigated by resilience operations such as the
geosites and the risks awareness center, because the choice of
locations is partly based on the well used equation: Risk =
Hazard + Vulnerability.

<footnote n="2">2 Text in Tables 2, 3 were translated from french.</footnote>
<figure><img src="image_6.png" /><figcaption>FIGURE 4
Framework for risk management practice between vulnerability and resilience.</figcaption></figure>

We question the articulation between the vulnerability and resilience paradigms in Arequipa through practices which are not all linked to a single Theoretical framework but both of them. Indeed, risk perception is the end point of the “Theoretical framework for Physical and Social Vulnerability” (Thouret, 2002): “As community resilience to natural hazards is essential, it must be enhanced by improving the quality of life and environment of the population and ensuring equity between and within racial, social, and generational categories.” Thus, local actors must identify potential risks and then adopt a consensus regarding acceptable risk, as it is at the local level that this responsibility must be promoted. Risk perception is also the starting point of the “Theoretical framework for Geoheritage for Geohazard Resilience,” which implies the presence of four border objects, straddling the two paradigms that establish connections between them. These are:

- The project of the Ruta de Huayruro carried by the stakeholders of the “Theoretical framework for Physical and Social Vulnerability,” and influenced by the contributions of the Geoheritage section at INGEMMET. We justify their place here in the transition they make towards the consideration of factors related to awareness and education: “these resources can help promote awareness of geological risks through dissemination and education, which aims at mitigating the risk of disasters” (Mariño et al., 2021);

- A link can also be made between the studies conducted on geoscientific communication around the “Theoretical framework for Physical and Social Vulnerability” that lead to the design of Ruta de Huayruro (Macedo et al., 2014; Saintenoy et al., 2016) and the current projects on risk perception around El Misti that approach the designs of the “Theoretical framework for Geoheritage for Geohazard Resilience” (Jacquez et al., 2019; Andina, 2021);

- The Risks Awareness Center, whose initiative emerges due to an expert in the field and whose objective is to enable the dissemination of knowledge on risks. This approach was initiated and made possible due to the personal initiative of General Carlos Nacarino, who succeeded in surrounding his idea with entrepreneurs from the region to finance it. This center is at first a pedagogical tool that fits into the paradigm of social vulnerability, but the individual initiative of the general coupled with the participation of citizens and institutions involved in risk management, has allowed a bottom-up co-construction that we consider as a resilient approach. However, local communities that experience the risks were not involved (except for financial support), but only invited to come and experience it once it was constructed. This is why we will place it at the junction between the two paradigms;

- The “Volcanes y Comunidad” colloquium, brought together stakeholders from both theoretical frameworks around presentations oriented to vulnerability and risk perception in a resilient approach.

We propose a complete representation of both risk management apparatuses that have been built up over 30 years around the two main theoretical frameworks related to an apparatus, with the representation of these border objects that reflect the porous boundaries between the two paradigms (see Figure 3). The question of genealogy is always in the background with Michel Foucault’s work, as he pays particular attention to the history of apparatuses, and to the way in which the links are constituted throughout history (Foucault, 2009). That is why we suggested a genealogical representation that documents the emergence of different practices over 30 years, and highlight their place in the vulnerability and resilience paradigms.

Regarding the articulation between the two paradigms of volcanic risk management in Arequipa, the vulnerability
paradigm structures the whole, it appears in both the physical and social aspects. The proposition around the Theoretical framework for Geoheritage for Geohazard Resilience can be described as a place-based resilience operation from a classical vulnerability approach, as another way of understanding social vulnerability.

We could also integrate other elements of the apparatus, such as the doctrines of institutions, and the logics of power between actors in further work as proposed by Donovan (2017). We are aware that such a conceptualization implies rather top-down structural logics of knowledge transfer between North and South (Bankoff, 2004; Gaillard et al., 2010). However, the theoretical framework could be the creation of local stakeholders that will organize themselves around a singular idea to defend, which could be the first link towards the realization of community activities based on its own decisions to build a common meaning. With our proposal, we show that we can design a risk management apparatus thought to include participatory approaches with citizens of the civil society (Cadag et al., 2018). Indeed, a study suggests energising this stream around livelihoods through the practice approach (Sakdapolrak, 2014). We point out that the field of livelihoods is absent from studies on El Misti volcano, while it is considered a fundamental factor in both paradigms, in other volcanic areas, including nearby ones such as Ecuador (Kelman and Mather, 2008; Barclay et al., 2019).

Finally, the last point to be addressed is the role played by studies on the differentiated perception of risk by the inhabitants in the management of volcanic risks. It is interesting to note that several surveys are undertaken in both the vulnerability and resilience apparatuses. But what to do with the results of this type of investigation? In the vulnerability paradigm, it can be used as an indicator of the difficulty of building a consensus around the perception of risk. In the resilience paradigm, it can be used as the first step in a new approach to risk management, which would consist of mapping the worlds of sensitivity in volcanic risk management and using this mapping to co-construct an apparatus (Lièvre et al., 2021). The challenge is to build an apparatus along the way that avoids the collapse of meaning for this wide variety of actors. The construction of meaning (sensemaking) is the prerequisite for actors to behave in an extreme event, a volcanic eruption (Lièvre et al., 2019). In this perspective, the set of operations linked to the vulnerability paradigm could be considered as a part of the anticipatory capacity of a resilience approach (Hollnagel et al., 2006).

Conclusion

We participate in the extremely rich, fertile, but complex
debates between vulnerability and resilience within geography
and Earth sciences by proposing to approach them from the
paradigm perspective in Kuhn’s sense. As we have shown, this is a
plausible interpretation we can make of these debates (Dauphiné

and Provitolo, 2007; Cutter, 2018). We are moving historically
from the vulnerability paradigm to the resilience paradigm in risk
management. The transition from one paradigm to another is
always a radical change of viewpoint that can better integrate a
number of questions posed by the previous paradigm. Thus, we
have suggested distinguishing the two paradigms in a radical way
by pairs of contrasts, in order to better situate the oppositions but
also the links that can be established between these two ways of
understanding risk management.

We have shown the relevance of mobilizing this paradigm
grid of vulnerability and resilience to account for the evolution of
volcanic risk management practices in Arequipa from the 1990s
to the present. The vulnerability paradigm implies developing
defensive activities around the eruptive potential of El Misti. For
example, new early warning systems, a national risk management
system, studies of the probability of being affected by the risks
based on calculations... Shortly, practices that aim to calculate,
control and minimize the risk. Despite the work carried out in
Arequipa, this approach teaches us that it is difficult for the
population to imagine the risks caused by a potential eruption,
having never had the experience of this type of event. There is an
awareness at the local level that disaster prevention also depends
on the resilience of society, that is, the local capacity to cope with
disasters of volcanic origin. A factor that tends to be minimized
in the technology-based vulnerability paradigm. This implies
thinking about other, more offensive strategies that we consider
under the umbrella of the resilience paradigm.

From 2015, a secondary theoretical framework appears
around geoheritage and resilience. We suggest to refer to
Table 1 to understand the place of this theoretical framework
between vulnerability and resilience. First, it is centered on risk
rather than on uncertainty, as something we do not know in
advance, but it tends towards the resilience paradigm by taking
the territory and the capacity to adapt as a basic principle.
Secondly, it emphasizes the involvement of the human factor,
which is the starting point of the solution to a problem in the
resilience paradigm. Geosites are a more grounded approach
around risk knowledge, as they are “units” that holistically bring
together what was previously generally separated. The geosite is a
site where risk can be experienced, it is not only cognitively
apprehended out of context but corporeally. It thus implies this
pedagogical dimension in situation, bringing a pedagogical value
to the apparatus. Finally, the geosite is also an essential place to
live for certain workers (the miners). The geosite brings an
essential “ecological and corporal anchoring” on the risks that
are contextualized instead of being only “perceived” by surveys
on risk perception whose results do not seem to show a particular
evolution in Arequipa.

Nevertheless, the starting point of geosites in this case is
places deliberately identified as particularly vulnerable (natural
and societal). Therefore, we consider the geosite as a resilient
operation but with a theoretical framework at the junction
between the vulnerability and resilience paradigms. Practically,
this geoheritage work has had the effect of assisting the local people in stabilizing their livelihoods and social situation, and with improved economy and standing assisted them to defend their interests, and take a lead in their own disaster risk reduction practices from their own point of view backed up by the scientific community. There are links between practices around vulnerability and resilience but some of them are independent, separate and autonomous as the risks awareness center, a spontaneous resilience operation that does not refer to a theoretical framework. It is a highly practical personal response.

We narrated 30 years of the history of volcanic risk management in Arequipa and used the notion of “apparatus” as a methodological tool in the sense of Foucault (2001); Foucault (2009) to highlight and order the different practices. As we mentioned, by entering the apparatus understood as a set of heterogeneous elements linked together in order to produce an activity, we find links with assemblage theories (Donovan, 2017; McGowran and Donovan, 2021) based on Latour’s work (2006). We analyze this apparatus, not directly through the actors, but through the manifestation of what they do: they produce theoretical frameworks; make studies, maps, simulations; organize symposiums and workshops; set up projects and build up institutions. It includes many elements, of different forms: theoretical frameworks, geological studies, hazard map, risk map, simulation, symposiums, forums, surveys on risk perception, café con ciencia and geotourism.

The apparatus makes it possible to identify both the local anchoring of these activities (geosites, simulations, etc.) and the ideal or theoretical elements that are sometimes external to the local context and yet play a decisive role in the development of the apparatus. We produced a genealogical map (Figure 3) of the apparatus that provides a historical account of the evolution of risk management practices in Arequipa. We then highlighted the specificity of the theoretical framework that allows to order and energize all the elements of the apparatus, in an assemblage, relative to the context of Arequipa in Southern Peru. We found that the “paradigm” in the sense of Kuhn (1972) could be associated with vulnerability and resilience to document volcanic risk management. The apparatus is the arrangement that makes it possible to account for the effective links between the theoretical framework, itself anchored in a paradigm, and the development of activities by risk management actors (see Figure 4 below). We must precise that the links highlighted pre-exist the researcher’s analysis and constitute the “performance” of the collective action (Gilbert and Raulet-Croset, 2021) thanks to the activities carried out over a long period of time.

This proximity shows that we can better link together the scattered activities carried out by the actors that are sometimes difficult to organize around a common thread. The apparatus organizes all the activities and allows to bring out in a concrete and orderly way what has already been realized under the aegis of a theoretical framework, in a non-linear way and not always

conscious by the actors. Furthermore, it is possible to mobilize this theoretical framework in a general way beyond the single case of Arequipa, to document volcanic risk management practices elsewhere in the world between vulnerability and resilience as recommended by recent studies (Miller et al., 2010; Fekete et al., 2014).

We showed the strength of the theoretical framework and the academic works to enroll people and develop activities around an idea. Nevertheless, these studies are mostly conducted by foreign Western scientists, which is a limit from the point of view of the self-determination of local actors in the production of ideas. The major problem is structural, Peru does not have university structures as important as in the West in the field of volcanology, which implies an important transfer of knowledge from North to South (Gaillard et al., 2010). However, scientists have also promoted the learning of Peruvian actors by allowing them to study in France in master’s degree programs, which has considerably increased local know-how, skills and development of observatories in volcanology. Thus, along the way, the initiative initially carried by the “North” slides towards the assumption of responsibility by the “South” for its own practices and ideas to develop. The independent civil defense center (risks awareness center) was an early form of this, and the geoheritage program, based on prior community consultation and working with communities. In this latter, the external actors (international researchers) take a secondary role in an activity fully integrated with the locals. The “international experts” are integrated into this apparatus as members, financiers, advisors but are no longer “top dogs,” but rather one of the pack.

The political and institutional implications of these analyses suggest that we need to invent new ways of organizing ourselves in the face of a potential volcanic eruption, in addition to those developed in the vulnerability paradigm. In this case, it would be necessary to develop proactive strategies located as close as possible to the population. Each district of Arequipa has a district mayor around whom “juntas” (councils) are organized to deal with issues involving the members of these communities. These are opportunities to develop livelihoods (Kelman and Mather, 2008; Barclay et al., 2019) at the intersection of scholarship and practices that include knowledge, politics, scales and different dynamics at the scale of a territory (Scoones, 2009). There are therefore opportunities for finer articulation between the different scales of a territory, and this by encouraging new practices closer to the actors, those who live the risks, and not only in a representational dimension of risk.

We can identify limitations of this research as areas for research development. The different elements highlighted thanks to the apparatus as a methodological tool should be better qualified generically, the links that have been established between them should be better identified and the coherence of the whole should be discussed. It would be also necessary to carry out an exhaustive study of the existence of genealogical maps documenting volcanic risk management practices. We suggest extending the notion apparatus in future
research in greater depth in relation to the management literature (McKinlay and Starkey, 1998; Gilbert and Raulet-Croset, 2021) as a powerful way to document the way people organize themselves. In addition, this theoretical framework fits with the perspective adopted in the Disaster Risk Management Assemblage (DRMA) (Donovan and Oppenheimer, 2014; Donovan, 2017, 2019, 2021; McGowran and Donovan, 2021). The work of Gaillard offers insights to improve risk management (Gaillard, 2010; Gaillard et al., 2010; Gaillard and Mercer, 2013; Gaillard, 2022).

We could also link this work with the theoretical framework of epistemic communities (Amin and Cohendet, 2004). Indeed, we can understand the path of each apparatus initiated by a researcher who has enlisted a certain number of partners to transform the theoretical framework into an operational apparatus - a code-book - by mobilizing the theory of epistemic communities. The literature on the notion of epistemic community in the field of political, economic and management sciences (Haas, 1992; Cowan et al., 2000; Amin and Cohendet, 2004) proposes to document the conditions that will allow a theoretical manifesto to be incorporated into the field of practice. An epistemic community is a learning community where meaning is negotiated between heterogeneous actors. Cohendet et al. (2017) propose a grid, in his middleground theory, where the elements of a management apparatus on a territory must articulate fundamentally: manifesto, project, place and event. The broad categories proposed by Cohendet are found in both apparatuses, which establish the existence of a potential learning community. The interactions between the actors in relation to their variety in each apparatus should be better documented. It can be pointed out that maps and plans play an important role in the vulnerability apparatus and similarly that places play a particular role in the resilience apparatus. One could say that there is an event deficit in the resilience apparatus: a scheduled event that would have some recurrence.

## Data availability statement

The raw data supporting the conclusion of this article will be made available by the authors, without undue reservation.

## Ethics statement

Consent was obtained from the individual(s) for the publication of any potentially identifiable images or data included in this article.

## Author contributions

PL made the major contribution in this article by proposing the idea and writing the theoretical demonstration on paradigm, vulnerability, resilience and apparatus. EM conducted a literature

review to accompany the theoretical demonstration. She also conducted the field survey, wrote the resulting narrative, and produced the concept map. JM and BWV brought their expertise in the fields of geography and Earth sciences to help us initiate this interdisciplinary discussion. Their theoretical contributions and reviews have been decisive in improving this work. LM, DR, MR, and PM provided important factual elements to write a narrative that is as close as possible to the practices carried out over the last 30 years in Arequipa. They also reviewed the proposed narrative.

## Funding

The authors acknowledge the support received from the Agence Nationale de la Recherche of the French government through the program Investissements d'Avenir (16-IDEX-0001 CAP 20-25), especially the CIR, Centre International de Recherche of Université Clermont Auvergne. The Clermont Research Management (Clermont Recherche Management, EA3849) laboratory of Université Clermont Auvergne provided financial support for the publication of this article. Julie Morin received funding from the IMAGINE ERC Grant No 804162 to support the development of this paper. The Geoheritage for Geohazard Resilience project 692 of the UNESCO International Geosciences Programme funded workshops and forms a basis for discussion and dynamic progress (www.geopoderes.com).

## Acknowledgments

We thank the reviewers whose comments helped us to improve the idea and the structure of this paper. We warmly thank Jean-Claude Thouret for his engagement to answer our questions. His valuable contributions have allowed us to draw up with precision this narrative around the practices and initiatives carried out for nearly 30 years in Arequipa. We would like to thank all the institutions that opened their doors to us for this research: Laboratoire Magma et Volcans (LMV, Clermont-Ferrand, France), Instituto Geofísico del Perú (IGP, Arequipa), Instituto Geológico, Minero y Metalúrgico (OVI-INGEMMET, Arequipa), Instituto Nacional de Defensa Civil (INDECI, Arequipa), Centro de Operaciones de Emergencia Regional (COER, Arequipa) and Subegerencia a los riesgos de la municipalidad de Arequipa.

## Conflict of interest

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
# Publisher's note

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