Development of a Real-Time Damage Estimation System
Hiroyuki Fujiwara*1,, Hiromitsu Nakamura*1, Shigeki Senna*1, Hideyuki Otani*2, Naoya Tomii*3, Kiyonori Ohtake*4, Toshiya Mori*5, and Shojiro Kataoka*6
*1Research Center for Reinforcement of Resilient Function, National Research Institute for Earth Science and Disaster Resilience
3-1 Tennodai, Tsukuba-shi, Ibaraki 305-0006, Japan
*2Computational Disaster Mitigation and Reduction Research Team, RIKEN Center for Computational Science, Hyogo, Japan
*3Satellite Appications and Operations Center, Space Technology Directorate I, Japan Aerospace Exploration Agency (JAXA), Ibaraki, Japan
*4Applications Laboratory, Resilient ICT Research Center, National Institute of Information and Communications Technology, Kyoto, Japan
*5Geochemical Research Center, Graduate School of Science, The University of Tokyo, Tokyo, Japan
*6Earthquake Disaster Management Division, Road Structures Department,
National Institute for Land and Infrastructure Management, Ministry of Land, Infrastructure, Transport and Tourism, Ibaraki, Japan
Assessing the extent of damage quickly following a major natural disaster is crucial to ensuring that effective decisions are made to establish an appropriate first response system and implement response measures. Therefore, a real-time earthquake damage estimation system was developed. Among other things, the system estimates the distribution of seismic ground motion, structural damage, and casualties based on observation records obtained immediately after a major earthquake. In addition, the system is equipped with a function for assessing actual damage using a variety of sources and techniques. Damage estimates generated by the system were used for emergency response during actual disasters, including the 2016 Kumamoto Earthquakes, and the system’s effectiveness has been confirmed. This study evaluates the functions and performance of the system, examines its potential applications, and discusses future innovations and challenges.
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