2:00 PM - 2:15 PM
*Syunki Kasai1, Youichiro Takada1, Takeshi Matsushima2, Akimichi Takagi3 (1.Department of Earth and Planetary Science, Graduate School of Science, Hokkaido University, 2.Institute of Seismology and Volcanology, Faculty of Science, Kyushu University, 3.Japan Meteorological Agency ,Volcanology Research Department, Meteorological Research Institute)