About DAIMARU HIROMU
About MURAKAMI WATARU
About TADA YASUYUKI
About SANMORI TOSHIAKI
About large earthquake
About decay
About river
About mountainous region
About slope
About Iwate-Miyagi Nairiku earthquake in 2008
About 一迫川
About bulging
About 山地斜面
About mountainous region
About Physical geography
About Natural disasters
About 岩手宮城内陸地震
About 上流部
About 崩壊
About バルジング