*Yasuo Miyabuchi1, Fukashi Maeno2, Setsuya Nakada2, Masashi Nagai3, Yoshiyuki Iizuka4, Hideo Hoshizumi5, Akiko Tanaka5, Jun'ichi Itoh5, Yoshihisa Kawanabe5, Masayuki Oishi6, Akihiko Yokoo7, Takahiro Ohkura7
(1.Faculty of Education, Kumamoto University, 2.Earthquake Research Institute, The University of Tokyo, 3.National Research Institute for Earth Science and Disaster Prevention, 4.Institute of Earth Sciences, Academia Sinica, 5.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 6.Faculty of Geo-environmental Science, Rissho University, 7.Institute for Geothermal Sciences, Graduate School of Sciences, Kyoto University)