4:15 PM - 4:30 PM
*Naoki Araya1, Michihiko Nakamura1, Satoshi Okumura1, Atsushi Yasuda2, Daisuke Miki3, Masato Iguchi3 (1.Department of Earth Science, Graduate School of Science, Tohoku University, 2.Earthquake Research Institute, University of Tokyo, 3.Sakurajima Volcano Research Center, Disaster Prevention Research Institute, Kyoto University)