Mon. May 27, 2019 12:00 AM - 12:00 AM
*Jun Okada1, Shigeo Matsuura2, Katsuya Ohmi2, Takuya Yamamura2, Yu Nihara3, Susumu Seki3 (1.Volcanology Research Department (Sendai Office), Meteorological Research Institute, JMA, 2.Seismology and Volcanology Division, Sendai Regional Headquarters, JMA, 3.Regional Volcanic Observation and Warning Center, Sendai Regional Headquarters, JMA)