convener:Masaki Yamada(Department of Geology, Faculty of Science, Shinshu University), Takashi Ishizawa(International Research Institute of Disaster Science, Tohoku University), Koichiro Tanigawa(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology), RYO NAKANISHI(Atmosphere and Ocean Research Institute, The University of Tokyo), Chairperson:Masaki Yamada(Department of Geology, Faculty of Science, Shinshu University), Koichiro Tanigawa(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology)