## 8 Operational Tools--From EC-JRC to TsuComp with Enhanced Products  
At the onset of its operationalization, KOERI-RETMC's tsunami warning system relied on EC-JRC's Tsunami Analysis Tool (TAT) thanks to a collaborative agreement between EC-JRC and KOERI, which also included the availability of EC-JRC's MOD1 and MOD2 Tsunami Scenario Databases to support KOERI-RETMC's operations. All KOERI duty officers have received regular and comprehensive training on the use of TAT. The steady evolution of the operational system required the development of an in-house tool eliminating external assistance and support. TsuComp (Tsunami Message Composer Tool) was the outcome of this process and has been KOERI's main operational tool since 1 January 2018, which was developed by KOERI-RETMC within the FP7 ASTARTE framework (Assessment, Strategy and Risk Reduction for Tsunamis in Europe-FP7-ENV2013 6.4-3, Grant 603839) as a basic operational interface for tsunami analysis, message generation and dissemination (Figure 5). TsuComp is designed to process a given set of earthquake parameters and sea level data to generate corresponding messages under user control and to disseminate these via selected communication channels, such as e-mail, fax, GTS and SMS, in both Turkish and English simultaneously. If needed, additional language functionalities can also be added. In addition, each message generated by the system can be manually modified by the duty officer. Although the decision matrix is the primary source for creating messages, TsuComp is also capable of disseminating tsunami messages through tsunami  
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scenario databases, including MOD2-TR [20,21]. One of the main strengths of TsuComp is its capability to disseminate enhanced products produced with Generic Mapping Tools (GMT, [22]), namely Travel Time using the Tsunami Travel Time (TTT) software provided by the UNESCO/IOC-NOAA International Tsunami Information Center, as well as the tsunami forecast point alert level and distance-based tsunami alert maps, as attachments to the e-mail message. TsuComp was successfully demonstrated at the 6 th JRC ECML Crisis Management Technology Workshop on Tsunami Decision Support Systems (TDSS-2015) held in the European Crisis Management Laboratory (ECML) of the Joint Research Center in Ispra, Italy, from 2-3 July 2015 [23]. Since the establishment of ICG/NEAMTWS, steady criticism was provided by the Civil Protection Authorities (CPA) concerning the difficult structure of the text-only tsunami bulletins. The first tsunami exercise of NEAMTWS, NEAMWave12, was a good  
Figure 5: Main interface of TsuComp (**top**) and one of its sub–windows showing the various types of earthquake magnitudes calculated in real–time through automatic systems SeisComP3 and Early-est (**bottom**), where the duty officer is able to initiate the generation of the tsunami alert message by just clicking on the respective earthquake magnitude symbol. opportunity to explore the possibility of making use of enhanced products as attachments to the e-mail messages. During NEAMWave12, messages with enhanced products were disseminated at the national level to the AFAD (Turkish CPA) according to the master schedule of events list (MSEL) of the exercise. These enhanced products were produced by the EU-FP7 TRIDEC project [24]. During NEAMWave14, in addition to the NEAMTWS messages, KOERI disseminated enhanced products via its TsuMessenger (prototype version of TsuComp) developed within the EU-FP7 Project ASTARTE, such as the distance-based tsunami alert map, tsunami forecast point alert level map and tsunami travel map products in the first message to the Turkish CPA (AFAD).