4:45 PM - 5:00 PM
*Shigeo Okuma1, Masahiko Makino2, Tadashi Nakatsuka1, Ayumu Miyakawa1, Makoto Yanagida3, Minoru Okumura4 (1.Institute of Geology and Geoinformation, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), 2.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), 3.Hanshin Consultants Co., Ltd., 4.Nippon Engineering Consultants Co., Ltd.)