4. 高解像度衛星画像を用いた2003年アルジェリア地震による都市被害の目視判読(A.被害予測と緊急対応,ポスター発表)

概要

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A strong earthquake of magnitude 6.8 struck the Mediterranean coast of Algeria on May 21, 2003 and the city of Boumerdes was most heavily damaged. Using high-resolution satellite images of this area the present authors performed a preliminary analysis of visual damage detection. Using the post-event images of May 23, 2003 and June 18, 2003 and the pre-event image of April 22, 2002 totally collapsed buildings, partially collapsed buildings, and buildings surrounded by debris were identified. Some buildings were difficult to judge their damage levels. The locations of tents in the post-event images were also identified. These observations indicate that high-resolution satellite images can provide quite useful information to emergency management after natural disasters.