4:15 PM - 4:30 PM
*Masashi NAGAI1, Takahiro Miwa1, Hideki Ueda1, Setsuya Nakada1, Tetsuo Kobayashi2, Taku Ozawa1, Toshikazu Tanada1, Takashi Hirose1, Tomofumi Kozono1 (1. Volcano Research Department, National Research Institute for Earth Science and Disaster Resilience, 2.Kagoshima University)