convener:Teruki Oikawa(Institute of Earthquake and Volcano Geology, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology), Takeshi Hasegawa(Department of Earth Sciences, College of Science, Ibaraki University), Daisuke MIURA(Geosphere Sciences, Civil Engineering Research Laboratory, Central Research Institute of Electric Power Industry), Nobuo Geshi(Geological Survey of Japan, The National Institute of Advanced Industrial Science and Technology), Chairperson:Shinji Takarada(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology), Chairperson:Masashi Ushioda(Geological Survey of Japan, The National Institute of Advanced Industrial Science and Technology)