3:30 PM - 5:00 PM
*Haruhisa Nakamichi1, Yoshiharu Hirayama2, Toshiharu Ikeda2, Keiji Takeuchi2, Hiroshi Ando2, Shigeki Horiuchi3 (1.Sakurajima Volcano Research Center, Disaster Prevention Research Institute, Kyoto University, 2.Hakusan Corporation, 3.Home Seismometer Corporation)