Mechanism Analysis of Casualty and Evacuation Route in the Case of Fukushima Prefucture

Abstract

The Great East Japan Earthquake which occurred on March 11, 2011 killed 15,889 people¹⁾. It is important to consider tsunami damage in detail and to capture the characteristics and circumstances for developing prediction equations of casualty by tsunami. The purpose of this study is generating source information for the developing equations, which are topographical factors. The distance to the non-inundated area is calculated based on the location of flooded building and the address of casualty. The result indicates some persons were killed by tsunami even if the evacuation distance is short. Through the analysis of age-specific mortality, the relationship of the altitude and mortality, evacuation distance, the characteristics of casualty occurrence depend on topographic feature.