1:45 PM - 2:00 PM
*Hiroshi Aoyama1, Takeshi Hashimoto1, Ryo Tanaka1, Hiromitsu Oshima1, Koichiro Saito2, Tsuyoshi Michishita2, Satoshi Okuyama2, Volcanic Observation and Warning Center Sapporo Regional Headquarters2 (1.Institute of Seismology and Volcanology, Faculty of Science, Hokkaido University, 2.Japan Meteorological Agency)