*Kazutaka Mannen¹, Akira Jomori², Ryosuke Doke³, Mitsuru Utsugi⁴, Koichiro Fujimoto⁵, Takuto Minami⁶ (1.Hot Springs Research Institute of Kanagawa Prefecture, 2.Neoscience, 3.Hirosaki University, 4.Kyoto University, 5.Tokyo Gakugei University, 6.Kobe University)

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

*Ryosuke Ito¹, Ryokei Yoshimura², Mitsuru Utsugi¹, Shinichiro Higashino³, Tesfaye Kidane⁴, Ameha A Mulneh⁵, Balemwal A Alemu⁵, Shin-ichi Kagashima⁶, Nobutatsu Mochizuki⁷, Chie Kato⁸, Naoto Ishikawa⁹ (1.Graduate School of Science, Kyoto University, 2.Disaster Prevention Research Institute, Kyoto University, 3.Graduate School of Engineering, Kyushu University, 4.Wayne State University, 5.Addis Ababa University, 6.Faculty of Science, Yamagata University, 7.Faculty of Advanced Science and Technology, Kumamoto University, 8. Faculty of Social and Cultural Studies, Kyushu University, 9.Facultiy of Sustainable Design, Toyama University)

*Keita Matsunaga¹, Koki Aizawa², Koichi Asamori³, Hiroki Ogawa⁶, 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, 6.Nittetsu Mining Co., Ltd.)

*Kazutaka Mannen¹, Akira Jomori², Ryosuke Doke³, Mitsuru Utsugi⁴, Koichiro Fujimoto⁵, Takuto Minami⁶ (1.Hot Springs Research Institute of Kanagawa Prefecture, 2.Neoscience, 3.Hirosaki University, 4.Kyoto University, 5.Tokyo Gakugei University, 6.Kobe University)

*Ryosuke Ito¹, Mitsuru Utsugi¹ (1.Graduate School of Science, Kyoto University)

*Urumu Tsunogai¹, Yutaka Miyagi¹, Ito Masanori¹, Fumiko Nakagawa¹, Shin Yoshikawa², Mitsuru Utsugi², Akihiko Yokoo² (1.Graduate School of Environmental Studies, Nagoya University, 2.Graduate School of Science, Kyoto University)