About OKADA ATSUMASA
About 立命館大 COE推進機構 歴史都市防災研究セ
About trench cut (construction works)
About active fault
About prospecting by drilling
About metropolitan area
About Japan
About reflection survey
About displacement (transfer)
About trench excavation survey
About boring exploration
About 活断層調査
About 変位量予測図
About Geological structure and tectonics
About 日本
About 活断層
About 調査
About 研究
About 現状
About 展望