*Kazuhiro Yagasaki¹, Juichiro Ashi¹, Yusuke Yokoyama¹, Yosuke Miyairi¹, Shin'ichi Kuramoto² (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Center for Deep Earth Exploration, JAMSTEC)

*Satoko Oki¹, Chiharu Shiraki² (1.Faculty of Environment and information Studies, 2.Faculty of Policy Management)

*Norihito Kawamura¹, Seiji Yamashita¹ (1.Faculty of Education and Human Studies, Akita University)

*Hiroshi Shimizu¹, Yoshihisa Iio⁸, Shin'ichi Sakai⁶, Tomomi Okada⁵, Hiroaki Takahashi³, Toshiki Watanabe⁷, Kazuhiko Goto², Takahiro Ohkura⁹, Youichi Asano¹⁰, Takeshi Matsushima¹, Yusuke Yamashita⁸, Manami Nakamoto¹, Masahiro Miyazaki⁸, Satoshi Matsumoto¹, Koki Aizawa¹, Azusa Shito¹, Kazunari Uchida¹, Rintaro Miyamachi¹, Megumi Kamizono¹, Yoshiko Teguri¹, Hiroki Miyamachi², Shigeru Nakao², Hiroshi Yakiwara², Shuichiro Hirano², Mako Ohzono³, Takahiro Shiina³, Takada Masamitsu³, Masayoshi Ichiyanagi³, Teruhiro Yamaguchi³, Okada Kazumi³, Masahiro Kosuga⁴, Ryosuke Azuma⁵, Naoki Uchida⁵, Kentaro Emoto⁵, Yusaku Ohta⁵, Toshiki Kaida⁵, Tomofumi Kozono⁵, Syuichi Suzuki⁵, Ryota Takagi⁵, Tomotsugu Demachi⁵, Hisashi Nakahara⁵, Takashi NAKAYAMA⁵, Satoshi Hirahara⁵, Toru Matsuzawa⁵, Satoshi Miura⁵, Mare Yamamoto⁵, Takaya Iwasaki⁶, Naoshi Hirata⁶, Takashi Iidaka⁶, Eiji Kurashimo⁶ (1.Institute of Seismology and Volcanology, Faculty of Sciences, Kyushu University, 2.Graduate School of Science and Engineering,Kagoshima University, 3.Graduate School of Science, Hokkaido University, 4.Graduate School of Science and Technology, Hirosaki University, 5.Graduate School of Science, Tohoku University, 6.Earthquake Research Institute, The University of Tokyo, 7.Graduate School of Environmental Studies, Nagoya University, 8.Disaster Prevention Research Institute, Kyoto University, 9.Graduate School of Science, Kyoto University, 10.National Research Institute for Earth Science and Disaster Prevention)

Aitaro Kato⁶, Shigeki Nakagawa⁶, Yoshiko Yamanaka⁷, Takeo Ito⁷, Toshiko Terakawa⁷, Yuta Maeda⁷, Shinichiro Horikawa⁷, Kenjiro Matsuhiro⁷, Takashi Okuda⁷, Hiroshi Katao⁸, Yasuyuki Kano⁸, Tsutomu Miura⁸, Hiroo Tsuda⁸, Tomoya Muramoto⁸, Makoto Okubo¹¹, Tadashi Yamashina¹¹, Tomotake Ueno¹⁰
(11.Research and Education Faculty, Natural Sciences Cluster, Sciences Unit, Kochi University)

*Yasuhiro Kumahara¹, Hideaki Goto¹, Takashi Nakata¹, Satoshi Ishiguro², Daisuke Ishimura³, Tatsuya Ishiyama⁴, Shinsuke Okada⁵, Kyoko Kagohara⁶, Shintaro Kashihara⁷, Heitaro Kaneda⁷, Nobuhiko Sugito⁸, Yasuhiro Suzuki⁹, Daishi Takenami¹⁰, Kei Tanaka¹¹, Tomoki Tanaka⁷, Hiroyuki Tsutsumi¹², Shinji Toda⁵, Daisuke Hirouchi¹³, Nobuhisa Matsuta¹⁰, Tomokazu Mita¹⁴, Hikaru Moriki¹⁰, Haruka Yoshida¹⁵, Mitsuhisa Watanabe¹⁶ (1.Hiroshima University, 2.Aichi Institute of Technology, 3.Tokyo Metropolitan University, 4.University of Tokyo, 5.Tohoku University, 6.Yamaguchi University, 7.Chiba University, 8.Hosei University, 9.Nagoya University, 10.Okayama University, 11.Japan Map Center, 12.Kyoto University, 13.Shinshu University, 14.Kagoshima University, 15.Fukuoka Prefectural Yame High School, 16.Toyo University)

*Yasuhiro Suzuki¹, Mitsuhisa Watanabe², Takashi Nakata³ (1.Nagoya University, 2.Toyo University, 3.Hiroshima University)

*Yoshitaka Kakuwa¹, Akihiro Hiruta¹, Yoshihiro Kakizaki¹, Ryo Matsumoto¹ (1.Gas Hydrate Laboratory, Organization for the Strategic Coordination of Research and Intellectual Properties, Meiji University)

*Masahiro Miyazaki¹, Satoshi Matsumoto², Yoshihisa Iio¹, Yusuke Yamashita¹, Hiroshi Shimizu², Takeshi Matsushima², Manami Nakamoto², Kazunari Uchida², Megumi Kamizono³, Group for urgent joint seismic observation of the 2016 Kumamoto earthquake Group for urgent joint seismic observation of the 2016 Kumamoto earthquake (1.Disaster Prevention Research Institute, Kyoto University, 2.Institute of Seismology and Volcanology, Faculty of Sciences, Kyushu University, 3.Department of Earth and Planetary Sciences, Graduate School of Sciences, Kyushu University)

*Keisuke Yoshida¹, Akira Hasegawa², Tatsuhiko Saito¹, Youichi Asano¹, Sachiko Tanaka¹, Kaoru Sawazaki¹, Yumi Urata¹, Eiichi Fukuyama¹ (1.National research institute for earth science and disaster prevention, 2.Tohoku University)

*Takeshi Matsushima¹, Yoshiko Teguri¹, Shigeru Nakao², Hiroshi Shimizu¹, Satoshi Matsumoto¹, Manami Nakamoto¹, Kazunari Uchida¹ (1.Institute of Seismology and Volcanology, Faculty of Sciences, Kyushu University, 2.Department of Earth and Environmental Sciences, Graduate School of Science and Engineering, Kagoshima University)