1st Joint Coordination Committee on
The Project for Enhancement of Earthquake and Tsunami
Disaster Mitigation Technology in Peru

JCC – Annual Plan and Progress
ReportG1 Group(Seismic Motion and Geotechnical / SMGT Group)Japanese members:
S. Nakai, T. Sekiguchi,
D. Calderon (Chiba Univ.),

Peruvian members:
Z. Aguilar, F. Lazares,
S Quispe (CISMID)S.

H. Yamanaka (Titech),
H Arai,
H.
Arai S.
S Koyama (BRI)(BRI),
N. Pulido (NIED)

H. Tavera, I. Bernal,
L Ocola,L.
O l J.
J Gomez
G(IGP)

Project Flow‐chart
PeriodResearch Topic (Organization)

20092010(2010-2014)

2011

2012

2013

2014

(10 Months)(12Months)

G1: Seismic Motion & Geotechnical【 Chiba, Tokyo Tech, BRI, NIED,CISMID, IGP】

Source Modeling

1) Source Modeling and Seismic Motion2) Site Response & Microzonatio

Microzonation

Seismic Response

Field Survey3) Slope Failure Assessment
G2: Tsunami【Tohoku，BRI，Tsukuba，TEPSCO
DHN, CISMID】
1) Tsunami Propagation and Impacts
2) Tsunami Hazard Mapping
3) Tsunami Damage Mitigation Technology

Simulation of Strong Motion

EQ and MT Measurement

Tsunami Simulation

Hazard Map

Inundation and Impact

Data Collection Damage Assessment Method Tsunami Damage Analysis
Tsunami Damage Mitigation technology

Historical Tsunami Data

G3: Buildings【BRI，Nagoya, Yokohama
National，Akita Pref., CISMID】
1) Seismic Tests Database2) Diagnosis and Retrofit
3) Retrofit of Historical Buildings
G4: Damage Assessment【Tokyo Tech，Chiba，AIST，Tsukuba,
CISMID】
1) Geo-spatial Database

Literature Survey, Tests
Diagnosis Method

Database Development

Retrofit Technology, Validation Tests Guideline

Survey, Risk Assessment

Retrofit TechnologyGuideline

Data Collection Geospatial Data

Database Development

Methodology

DDamageDDetectiont ti

Data Collection

2) Damage Detection using Remote Sensing

Damage Assessment MethodAssessment, Risk Map

3) Damage Assessment for Scenario EQ
G5: Disaster Mitigation Plan and Project

Project Officer，Project Management，Public Announcement

gManagement【 Chiba, Tohoku, BRI, Tokyo Tech,Ritsumeikan, INDECI, CISMID】
1) Project Management
2) Disaster Mitigation Planning

WS▼

WS▼

WS▼

Workshop Organization

WS▼

WS▼

Mitigation Planning Dissemination, Education

Equipment List Donated by JICA
YYearIt
Items

Q
QuantitytitPiPrice2010

Seismometer

10¥16,786,000

2010

PC for Microtremor Data Reception6$5 340 00$5,340.00

2010

Sensor for Microtremor (Tosoku)

6¥5,448,000

2010

Microtremor Sensor (GEODAS)

2¥710,000

2010

Transportablep
Data Recordingg Device(GEODAS)

1¥2 500 000¥2,500,000

Progress Report
Source Modeling and Seismic MotionSource Process of the 2010 Maule
Earthquake (Pulido et al. 2011)
Final slip distribution

Snapshots of rupture
process

Nazca Plate coupling model and Scenario
earthquake (Pulido et al 2011)
Coupling of Plates

Scenario slip

•Fore-arc convergence 59 mm/y
including sub-andean shortening od 4mm/y• Nazca/South America convergence 63mm/y•Slip accumulation since 1746 (265years)• Maximum
Ma im m slip is 15 m and M
Mw~9.090

Construction of broadband wavenumberslip (Pulido(et al. 2011))
Parameters Von Karman
PSD of slip

• Correlation length along
strike:as = 110 km• Correlation length alongdip:ad = 40 km• Hurst exponent: H=1.0• ks and kd arewavenumbers along strikeand dip

Comparison of Perú scenario slip and Maule
earthquake slip (Pulido et al. 2011)[Pulido et al. 2011]

Estimation of Slip Scenarios for MegathrustEarthquakes: A Case Study for Peru (Pulido et al 2011)

Progress Report
Site Response

Soil Structure Investigation- One-point microtremor measurements.
- Array Measurements (08 Small and 04Large).

Ref. Cismid 2005, 2010

Results: Shear‐wave velocity profiles
Small arrays

Results: Shear‐wave velocity profiles
Large arrays

Comparison of the Genetic Algorithm &theh Neighbourhood
N i hb h d Algorithm
Al i hTransfer Functions from Inverted Profiles

Use of Microtremor Array Measurement for
Estimating Shear Wave Profile (Quispe et al,al 2011)
N0.4Arreglo C1210.86 Hz
0.09 s

N0.3

*

N
0.2

Arreglo C127.93 Hz
0.13 sArreglo C20
6.35 Hz0.16 s**WE

c = 305.2 m/s

0.4
0.4

S
Número de onda (rad/m)

W

c = 440.1 m/s

0.3

0.4

0.3

700

c = 712.8 m/s

0.2

0.3

S
Número de onda (rad/m)

0.2

5F-K C20
F-K C12F-K L2.0
F-K L0.5

10Profuundidad (m)

600
500
400
300

152025200

30

100

350S
Número de onda (rad/m)

E0800

Velocidad
d de Fase (mm/s)

W110Frecuencia (Hz)

100

40100

Arreglo Nº1
Arreglog Nº2

200300400500Vs (m/s)

600

700

8000.2Use of Microtremor Array Measurement for
E ti ti ShEstimating
Shear Wave
WPProfilefil (Quispe(et al, 2011))

Evaluation of Local Site Effects in Lima City,PPeru
fromf
GroundGd Motion
M ti D
Datat (Quispe(et al, 2011))
CAL station (CISMID Network)
Callao District

RIN stationt ti (IGP Network)
N tk)
La Molina District

Evaluation of Local Site Effects in Lima City,PPeru
fromf
GroundGd Motion
M ti DDatat (Quispe(et al, 2011))

Seismometer Implementation

Seismic records from New Seismometers
Contamana Earthquake 2011.08.24 ML 7.0

Time History

Fourier Spectrum

Progress Report
Seismic Microzonation

Seismic Microzonation of Chorrillos andVilla El Salvador

Seismic Microzonation of La Molina

Seismic Microzonation of Puente Piedra and Comas

Actualization ofSeismici iMicrozonation ofLima City
(CISMID, 2004
2004‐2005,2005,2010‐2011)

Slopep Failure Assessment

Elevation and Slope Map

Slope map and blocks

Blocks with Slopes >=20°

Human Resources Development

International students from Peru, Carlos and Rocio

Japan Earthquake March 11th ,Damage Survey

Attending a practical class at Chiba University

Monitoring Seismometers at Chiba University

Coming Schedule for 2011‐2012
Source Modeling and Seismic Motion
DateTopicOrganization

2011/09-

Simulation of Strong Motion

Chiba U, NIED, IGP

2011/08

Ground Motion Monitoringg

CISMID,, Chiba U.

2011/08- Analysis of Earthquake Recordings

Chiba U, CISMID

Site Response & Microzonation
D t
Date

T i
TopicO
Organizationi ti

2011/09-

Boring and PS Wave Logging

CISMID, Chiba U.

2012/03/Site Response Analysis

Chib U, CChiba
CISMIDS

2012/09- Seismic Microzonation

CISMID, Chiba U.

Coming Schedule for 2011‐2012

Slope Failure Assessment
DateTopicOrganization

2012/03- Site Characterization

CISMID2012/09‐ Seismic Response Analysis

Chiba UU, CISMID

2012/09- Slope Hazard Map

Chiba U, CISMID