*wataru nakamura1, Kazuhisa Goto2, MASASHI WATANABE3 (1.Tohoku University, 2.The University of Tokyo, 3.Chuo University)
convener:Daisuke Ishimura(Department of Geography, Tokyo Metropolitan University), Takashi Chiba(Faculty of Bioresource Sciences, Akita Prefectural University), Masaki Yamada(Department of Geology, Faculty of Science, Shinshu University), Takashi Ishizawa(International Research Institute of Disaster Science, Tohoku University)