*Mitsuhiro YOSHIMOTO¹, Setsuya NAKADA², Akhmad ZAENNUDIN³, Oktory PRAMBADA³, Natsumi HOKANISHI², Natsuko TAKAGI², Muhamad HENDRASTO³, Masato IGUCHI⁴ (1.Faculty of Science, Hokkaido University, 2.Earthquake Research Institute, University of Tokyo, 3.Center for Volcanology and Geological Hazard Mitigation, Indonesia, 4.Sakurajima Volcano Research Center, Disaster Prevention Research Institute, Kyoto University)

*Tatsuji NISHIZAWA¹, Tatiana CHURIKOVA², Boris GORDEYCHIK³, Osamu ISHIZUKA⁴, Hitomi NAKAMURA¹, Hikaru IWAMORI⁵ (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2.Institute of Volcanology and Seismology Far East Division, Russian Academy, 3.Institute of Experimental Mineralogy, Russian Academy, 4.Research Core for Deep Geological Environments, AIST, 5.Japan Agency for Marine-Earth Science and Technology)

*Kosuke ISHIGE¹, Mitsuhiro NAKAGAWA¹, Akikazu MATSUMOTO² (1.Department of Natural History Sciences, Graduate School of Science, Hokkaido University, 2.Geological Survey of Japan, National Institute of advanced Industorial Science and Technology)

*Maya YASUI¹ (1.Dept. of geosystem sciences, Nihon University)

*Morihisa HAMADA¹, Yuko OKAYAMA², Takayuki KANEKO³, Atsushi YASUDA³, Toshitsugu FUJII⁴ (1.Japan Agency for Marine-Earth Science and Technology, 2.National Museum of Emerging Science and Innovation, 3.Earthquake Research Institute, University of Tokyo, 4.Crisis and Environment Management Policy Institute)

*Kyohei SANO¹, Atsushi TORAMARU², Keiji WADA³ (1.Department of Earth and Planetary Sciences, Graduate School of Sciences, Kyushu University, 2.Department of Earth and Planetary Sciences, Faculty of Sciences, Kyushu University, 3.Hokkaido University of Education at Asahikawa)

*Kenta UEKI¹ (1.Volcanic Fluid Research Center, Tokyo Institute of Technology)

*Takeshi KURITANI¹, Satoshi OKUMURA², Tetsuya YOKOYAMA³, Yoshinori ITO², Michihiko NAKAMURA², Haiquan WEI⁴ (1.Osaka City University, 2.Tohoku University, 3.Tokyo Institute of Technology, 4.China Earthquake Administration)

*Ryo OTSUKA¹, Yuki KUSANO¹, Kyoko KANAYAMA¹, Susumu UMINO¹ (1.Department of Earth Sciences, Kanazawa University)

*Yumi UMEZAWA¹, Susumu UMINO¹, Yuki KUSANO¹, Kyoko KANAYAMA¹, Keitaro KITAMURA¹ (1.Department of Earth Sciences, Kanazawa University)

*Fumiya OKI¹, Tsukasa OHBA¹ (1.Akita Univ.)

*Mamoru OZAKI¹, Akihiko FUJINAWA² (1.Ibaraki Univ., 2.Ibaraki Univ.)

*Kazuki OSHIO¹, Kenta UEKI², Munehiro KAWANO³, Mutsuko INUI³, Kenji NOGAMI² (1.Kokushikan University Graduate School of Engineering, 2.Volcanic Fluid Research Center, Tokyo Institute of Technology, 3.Kokushikan University)

*Kuniyuki FURUKAWA¹, Tatsuo KANAMARU², Koji UNO³ (1.Faculty of Business Administration, Aichi University, 2.Department of Geosystem Sciences, College of Humanities and Sciences, Nihon University, 3.Graduate School of Education, Okayama University)

*Shunsuke YAMASHITA¹, Atsushi TORAMARU² (1.Department of Earth and Planetary Sciences, Graduate School of Sciences, 2.Department of Earth and Planetary Sciences, Faculty of Sciences)