*Ming Hu^1,2, Peng Yu², LuoLei Zhang², Chongjin Zhao² (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.State Key Laboratory of Marine Geology, Tongji University)

*Ryosuke Ito¹, Mitsuru Utsugi² (1.Graduate School of Science, Kyoto University, 2.Aso Volcanological Laboratory, Institute for Geothermal Sciences, Graduate School of Science, Kyoto University)

*Mitsuru Utsugi¹ (1.Aso Volcanological Laboratory, Institute for Geothermal Sciences, Graduate School of Science, Kyoto University)

*manaka kuroda¹, Tada-nori Goto¹, Hiroshi Ichihara², Tetsuo Matsuno³, Takafumi Kasaya⁴ (1.University of Hyogo, 2.Nagoya University, 3.Kobe University, 4.JAMSTEC)

*Rei Amano¹, Tada-nori Goto¹, Ryokei Yoshimura² (1.University of Hyogo, 2.Disaster Prevention Research Institute , Kyoto University)

*Tianyi Dai¹, Yuguo Li¹ (1.Ocean University of China)

*Xiaoli WAN¹, Peng YU¹, Luolei ZHANG¹, Hisashi UTADA² (1.School of Ocean and Earth Science, Tongji University, 2.Earthquake Research Institute, University of Tokyo)

*Kiyoshi Baba¹ (1.Earthquake Research Institute, The University of Tokyo)

*Takuto Minami¹, Mitsuru Utsugi², Wataru Kanda³ (1.Division of Frontier Planetology, Department of Planetology, Graduate School of Science, Kobe University, 2.Aso Volocanological Laboratory, Faculty of Science, Kyoto University, 3.Volcanic Fluid Research Center School of Science, Tokyo Institute of Technology)

*Akira Watanabe¹, Makoto Uyeshima¹, Satoru Yamaguchi², Yoshiya Usui¹, Hideki Murakami³, Tsutomu Ogawa¹, Naoto Oshiman⁴, Ryokei Yoshimura⁴, Koki Aizawa⁵, Ichiro Shiozaki⁶, Takafumi Kasaya⁷ (1.Earthquake Research Institute, The University of Tokyo, 2. Graduate School of Science, Osaka City University, 3.Kochi University, 4.Disaster Prevention Research Institute, Kyoto University, 5.Institute of Seismology and Volcanology, Faculty of Sciences, Kyushu University, 6.Graduate School of Engineering, Tottori University, 7.Japan Agency for Marine-Earth Science and Technology)

*Tomohiro Inoue¹, Takeshi Hashimoto² (1.Graduate School of Science,Hokkaido University, 2.Institute of Seismology and Volcanology, Faculty of Science, Hokkaido University)

*Miku Sakurai¹, Tada-nori Goto¹, Shinya Sato², Hiroshi Ichihara³, Takafumi Kasaya⁴, Makoto Yamano⁵ (1.University of Hyogo, 2.Kyoto Univesity, 3.Nagoya Univesity, 4.Japan Agency for Marine-Earth Science and Technology, 5.the Univesity of Tokyo)

*Wiebke Heise¹, Ted Bertrand¹, Grant Caldwell¹, Yasuo Ogawa², Stephen Bannister¹, Stewart Bennie¹, Rory Hart¹, Neville Palmer¹, Kuo Hsuen Tseng^2,4, Masato Fukai^2,5, Masaki Ishikawa², Kaori Seki^2,6, Tatsuji Nishizawa^2,7, Jack McGrath³ (1.GNS Science, PO Box 30368, Lower Hutt, New Zealand, 2.Volcanic Fluid Research Center, Tokyo Institute of Technology, Tokyo, Japan, 3. School of Earth and Environment, University of Leeds, UK, 4.Sumiko Resources Exploration & Development Co., Ltd., Japan, 5.Nittetsu Mining Consultants Co., Ltd., Japan, 6.Kokusai Kogyo Co., Ltd.,Japan, 7.Mount Fuji Research Institute, Yamanashi Prefectural Government, Japan)

*Norihiro Kitaoka¹, Yasuo Ogawa¹, Keiichi Ishizu², Takuto Minami³, T. Grant Caldwell⁴, Alison Kirkby⁴ (1.Tokyo Institute of Technology, 2.University of Hyogo, 3.Kobe University, 4.GNS Science)

*PAN Juohua¹, Takeshi Hashimoto², Ryo Tanaka², Atsuo Suzuki², Masamitsu Takada², Kazumi Okada² (1.Hokkaido University, 2.Institute of Seismology and Volcanology, Hokkaido University)

*Naoyuki Wakao¹, Aoi Motoyama¹, Masahiro Ichiki¹, Yasuo Ogawa², Makoto Uyeshima³, Koichi Asamori⁴, Toshihiro Uchida⁵, Hideaki Hase⁶, Takao Koyama³, Shin'ya Sakanaka⁷, Yusuke Yamaya⁵, Koki Aizawa⁸, Toshiki Kaida¹ (1.TOHOKU UNIVERSITY, 2.Volcanic Fluid Research Center, School of Science, Tokyo Institute of Technology, 3.Earthquake research institute, the university of Tokyo, 4.Japan Atomic Energy Agency, 5.National institute of advanced industrial science and technology, 6.Geothermal Energy Research & Development Co., Ltd, 7.Graduate School of International Resource Sciences Department of Earth Resource Engineering and Environmental Science, Akita University, 8.Graduate school of science, Kyusyu university)

*Ichiro Shiozaki¹, Tomofumi Uto¹, Makoto Uyeshima², Yoshihisa Iio³, Hiroshi Hataoka⁴, Hideki Murakami⁵, Naoto Oshiman⁶, Yasuo Ikezoe⁴, Shinji Yamamoto⁴ (1.Graduate School of Engineering, Tottori University, 2.Earthquake Research Institute, University of Tokyo, 3.Disaster Prevention Research Institute, Kyoto University, 4.Technical Department, Tottori University,, 5.Kochi University, 6.Kyoto University)

*Hisayoshi Shimizu¹, Noriko Tada², Kiyoshi Baba¹, Hajime Shiobara¹, Hisashi Utada¹ (1.Earthquake Research Institute, University of Tokyo, 2.Japan Agency for Marine-Earth Science and Technology)

*KEITA Matsunaga¹, Koki Aizawa², Hiroki Ogawa³, Mitsuru Utsugi⁴, Ryokei Yoshimura⁵, Ken'ichi Yamazaki⁵, Kazunari Uchida² (1.Department of Earth and Planetary Sciences, Graduate school of Science, Kyushu University, 2.Institute of Seismology and Volcanology, Kyushu University, 3.Tono Geoscience Center, Japan Atomic Energy Agency, 4.Aso Volcanological Laboratory, Institute for Geothermal Sciences, Graduate School of Science, Kyoto University, 5.Disaster Prevention Research Institute, Kyoto University)

*Tetsuo Matsuno¹, Kiyoshi Baba² (1.Kobe Ocean-Bottom Exploration Center, Kobe University, 2.Earthquake Research Institute, The University of Tokyo)

*Koki Aizawa¹, Tasuku Inomata² (1.Institute of Seismology and Volcanology, Faculty of Sciences, Kyushu University, 2.Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University)

*Souma Yamamoto¹, Tada-nori Goto¹ (1.University of Hyogo)