*Daisuke Ishimura1, Keitaro Yamada2 (1.Department of Geography, Tokyo Metropolitan University, 2.Research Organization of Science and Technology, Ritsumeikan 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)