About CHIGIRA MASAHIRO
About 季刊消防科学と情報
About wind damage
About flood damage
About disaster investigation
About typhoon
About deep layer
About decay
About Wakayama prefecture
About amount of precipitation
About landform
About geological structure
About slip plane
About slope failure
About stratum
About buckling(material phenomenon)
About microtopography
About toppling
About Natural disasters
About Slope stability,deformation by excavating
About 風水害
About 台風
About 深層崩壊
About 場
About 時
About 予測