About ARAI KENJI
About 上武大 経営情報
About earthquake
About Saitama prefecture
About slope failure
About plain(geomorphology)
About soft ground
About earthquake disaster
About large earthquake
About 沖積軟弱地盤
About 1923 Kanto earthquake
About Kanto Plain
About 明治東京地震
About Natural disasters
About Slope stability,deformation by excavating
About 明治
About 東京
About 地震
About 埼玉
About 飯能
About 斜面崩壊