*Takahiro Miwa¹, Aika K Kurokawa², Masashi NAGAI¹, Tomofumi Kozono¹, Hideki Ueda¹, Toshikazu Tanada¹ (1.National research institute for earth science and disaster resilience, 2.Explosion Research Institute Inc)

*Hirochika Sumino^1,2, Masashi NAGAI², Takashi Hirose², Takahiro Miwa², Muga Yaguchi³ (1.Research Center for Advanced Science and Technology, The University of Tokyo, 2.National Research Institute for Earth Science and Disaster Resilience, 3.Meteorological Research Institute)

*Masashi NAGAI¹, Hiroki Minami², Noritsune Seo³, Kenichiro Tani⁴ (1. Volcano Research Department, National Research Institute for Earth Science and Disaster Resilience, 2.Japan Coast Guard Academy, 3.Japan Coast Guard, 4.National Museum of Nature and Science)

*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)

*Hideki Ueda¹, Takashi Hirose¹, Takanori Matsuzawa¹, Takahiro Miwa¹, Masashi NAGAI¹, Yuhki Kohno¹ (1.National Research Institute for Earth Science and Disaster Resilience)

*Mitsuhiro Nakagawa¹, Yasuo Miyabuchi², Takeshi Hasegawa³, Ryuta FURUKAWA⁴, Shimpei Uesawa⁵, Masashi NAGAI⁶ (1.Department of Natural History of Science, Faculty of Science, Hokkaido University, 2.Center for Water Cycle, Marine Environment and Disaster Management, Kumamoto University, 3.Department of Earth Sciences, College of Science, Ibaraki University, 4.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 5.Central Research Institute of Electric Power Industry, 6.Volcano Research Department, National Research Institute for Earth Science and Disaster Resilience)