*Kazuhiro Naganawa1, Takahito Kazama1 (1.Graduate School of Science, Kyoto University)
convener:Tokuro Kodama(Geospatial Information Authority of Japan), Daisuke Oka(Geological Survey of Hokkaido, Environmental and Geological Research Department, Local Independent Administrative Agency, Hokkaido Research Organization), Chairperson:Toshiyuki Tanaka, Takahito Kazama