2:45 PM - 3:00 PM
*Miharu Niwa1,2, Katsuyoshi Michibayashi1,3, Kenichiro Tani4, Takuma Nishimura5 (1.Department of Earth and Planetary Sciences, GSES , Nagoya University, 2.Toyohashi Museum of Natural History, 3.Volcanoes and Earth's Interior Research Center, IMG, JAMSTEC, 4.National Museum of Nature and Science, 5.Houraijisan Museum of Natural History)