*Toshinori Kimura¹, Takashi Tonegawa¹, Kazuya Shiraishi¹, Eiichiro Araki¹, Yasuyuki Nakamura¹, Yuka Kaiho¹, Gou Fujie¹, Seiichi Miura¹, Shuichi Kodaira¹, Noriaki Sakurai¹, Yoshinori Sanada¹, Yukari Kido¹, Masataka Kinoshita², Narumi Takahashi^3,1, Yuya Machida¹, Shuhei Nishida¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Earthquake Research Institute, The University of Tokyo, 3.National Research Institute for Earth Science and Disaster Resilience)

*Gregory F Moore¹, Miho Asada², Shuichi Kodaira², Achim Kopf³ (1.University of Hawaii at Manoa, 2.JAMSTEC, 3.MARUM)

*Hannah Tilley¹, Gregory F Moore¹, Mikiya Yamashita², Shuichi Kodaira² (1.University of Hawaii at Manoa, 2.JAMSTEC)

*Hannah Tilley¹, Gregory F Moore¹, Mikiya Yamashita², Shuichi Kodaira² (1.University of Hawaii at Manoa, 2.JAMSTEC)

*Guanyu Chen¹, Toshinori Sato², Tomoharu Sato¹, Asami Terada, Masanao Shinohara³, Kimihiro Mochizuki³, Tomoaki Yamada³, Kenji Uehira⁴, Takashi Shimbo⁵, Shuichi Kodaira⁵, Yuya Machida⁵, Ryota Hino⁶, Ryosuke Azuma⁶, Yoshio Murai⁷, Yoshihiro Ito⁸, Hiroshi Yakiwara⁹, Kenji Hirata⁴, Akinori Hashima³, Andrew M. Freed¹⁰ (1.Faculty of Science, Chiba University, 2.Graduate School of Science, Chiba University, 3.Earthquake Research Institute, University of Tokyo, 4.National Research Institute for Earth Science and Disaster Resilience, 5.Japan Agency for Marine-Earth Science and Technology, 6.Graduate School of Science, Tohoku University, 7.Institute of Seismology and Volcanology, Faculty of Science, Hokkaido University, 8.Disaster Prevention Research Institute, Kyoto University, 9.Nansei-toko Observatory for Earthquakes and Volcanoes, Kagoshima University, 10.Purdue University)

*Guanyu Chen¹, Toshinori Sato², Tomoharu Sato¹, Asami Terada, Masanao Shinohara³, Kimihiro Mochizuki³, Tomoaki Yamada³, Kenji Uehira⁴, Takashi Shimbo⁵, Shuichi Kodaira⁵, Yuya Machida⁵, Ryota Hino⁶, Ryosuke Azuma⁶, Yoshio Murai⁷, Yoshihiro Ito⁸, Hiroshi Yakiwara⁹, Kenji Hirata⁴, Akinori Hashima³, Andrew M. Freed¹⁰ (1.Faculty of Science, Chiba University, 2.Graduate School of Science, Chiba University, 3.Earthquake Research Institute, University of Tokyo, 4.National Research Institute for Earth Science and Disaster Resilience, 5.Japan Agency for Marine-Earth Science and Technology, 6.Graduate School of Science, Tohoku University, 7.Institute of Seismology and Volcanology, Faculty of Science, Hokkaido University, 8.Disaster Prevention Research Institute, Kyoto University, 9.Nansei-toko Observatory for Earthquakes and Volcanoes, Kagoshima University, 10.Purdue University)

*Tsutomu Takahashi¹, Ayako Nakanishi¹, Shuichi Kodaira¹, Yoshiyuki Kaneda² (1.JAMSTEC, 2.Kagawa University)

*Yasuyuki Nakamura¹, Shuichi Kodaira¹, Mikiya Yamashita¹, Seiichi Miura¹, Gou Fujie¹ (1.Japan Agency for Marine Earth Science and Technology)

*Yasuyuki Nakamura¹, Shuichi Kodaira¹, Mikiya Yamashita¹, Seiichi Miura¹, Gou Fujie¹ (1.Japan Agency for Marine Earth Science and Technology)

*Yojiro Yamamoto¹, Tsutomu Takahashi¹, Yasushi Ishihara¹, Koichiro Obana¹, Seiichi Miura¹, Shuichi Kodaira¹, Yoshiyuki Kaneda² (1.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2.Kagawa University)

*Yoshihiko Tamura¹, Kentaro Kaneda², Gou Fujie¹, Akane Ohira¹, Eiichi TAKAZAWA³, Georges Ceuleneer⁴, Katsuyoshi Michibayashi⁵, Tomoki Sato¹, Shuichi Kodaira¹, Seiichi Miura¹ (1.Japan Agency for Maine-Earth Science and Technology, 2.Japan Coast Guard, 3.Niigata University, 4.Universite de Toulouse, 5.Nagoya University)

*Yoshihiko Tamura¹, Kentaro Kaneda², Gou Fujie¹, Akane Ohira¹, Eiichi TAKAZAWA³, Georges Ceuleneer⁴, Katsuyoshi Michibayashi⁵, Tomoki Sato¹, Shuichi Kodaira¹, Seiichi Miura¹ (1.Japan Agency for Maine-Earth Science and Technology, 2.Japan Coast Guard, 3.Niigata University, 4.Universite de Toulouse, 5.Nagoya University)

*Nobukazu Seama^1,2, Tetsuo Matsuno^2,1, Koji Kiyosugi^3,2, Satoshi Shimizu², Reina Nakaoka², Keiko Suzuki-Kamata^2,1, Yasutomo Seto¹, Mamoru Sano², Yuiko Morita⁴, Hikaru Iwamaru², Haruhisa Morozumi², Misaki Horiuchi¹, Kimihiro Nishimura¹, Hiroshi Ichihara⁵, Kazuki Hayashi¹, Toki Hirose¹, Katsuya Kaneko^1,2, Hiroto Yamaguchi⁴, Yuki Okizono⁴, Hiroko Sugioka^1,2, Kazuo Nakahigashi^6,2, Yojiro Yamamoto⁷, Tatsuya KODA², Shuichi Kodaira^7,2, Yoshiyuki Tatsumi^2,1, Scientific party of T/S Fukae-maru Kikai caldera research cruises (1.Department of Planetology, Graduate School of Science, Kobe University, 2.Kobe Ocean Bottom Exploration Center, Kobe University, 3.Organization of Advanced Science and Technology, Kobe University, 4.Department of Planetology, Faculty of Science, Kobe University, 5.Graduate school of environmental studies, Nagoya University, 6.Tokyo University of Marine Science and Technology, 7.Japan Agency for Marine-Earth Science and Technology)

*Yasuyuki Nakamura¹, Shuichi Kodaira¹, Tetsuo No¹, Yuka Kaiho¹, Gou Fujie¹, Seiichi Miura¹, Kazuya Shiraishi¹ (1.Japan Agency for Marine Earth Science and Technology)

*Yasuyuki Nakamura¹, Shuichi Kodaira¹, Tetsuo No¹, Yuka Kaiho¹, Gou Fujie¹, Seiichi Miura¹, Kazuya Shiraishi¹ (1.Japan Agency for Marine Earth Science and Technology)

*Takashi Tonegawa¹, Yusuke Yamashita², Aki Ito¹, Masanao Shinohara³, Daisuke Suetsugu¹, Tsutomu Takahashi¹, Yasushi Ishihara¹, Shuichi Kodaira¹, Yoshiyuki Kaneda⁴ (1.JAMSTEC, 2.DPRI, Kyoto University, 3.ERI, The University of Tokyo, 4.Kagawa University)

*Ryuta Arai¹, Shuichi Kodaira¹, Richard Kellett², Valerie Stucker², Dan Bassett², Stuart Henrys², Koichiro Obana¹, Nathan Bangs³, Dan Barker², Rebecca Bell⁴, Kimihiro Mochizuki⁵, Gou Fujie¹, Seiichi Miura¹, Bill Fry², team NZ3D (1.Japan Agency for Marine-Earth Science and Technology, 2.GNS Science, 3.University of Texas Institute for Geophysics, 4.Imperial College London, 5.Earthquake Research Institute, University of Tokyo)

*Eiichiro Araki¹, Takashi Yokobiki¹, Toshinori Kimura¹, Shuhei Nishida¹, Yuya Machida¹, Shuichi Kodaira¹ (1.Japan Agency for Marine-Earth Science and Technology)

*Tetsuo No¹, Takeshi Sato¹, Shuichi Kodaira¹, Satoshi Shimizu², Tetsuya Yokota², Karl Hosgood³, Masako Robb³, Tetsuro Tsuru⁴ (1.JAMSTEC, 2.Nippon Marine Enterprises, 3.Emerson E&P Software, 4.Tokyo University of Marine Science and Technology)

*Tetsuo No¹, Takeshi Sato¹, Shuichi Kodaira¹, Hiroshi Sato², Tatsuya Ishiyama² (1.JAMSTEC, 2.ERI, University of Tokyo)

*Hiroshi Sato¹, Tatsuya Ishiyama¹, Naoko Kato¹, Hidehiko Shimizu², Takeshi Sato³, Shinji Kawasaki², Tetsuo No³, Shuichi Kodaira³, Seiichi Miura³ (1.Earthquake Research Institute, The University of Tokyo, 2.JGI Inc, 3.Japan Agency for Marine-Earth Acience and Technology)

*Takeshi Sato¹, Tetsuo No¹, Shuichi Kodaira¹, Seiichi Miura¹, Tatsuya Ishiyama², Hiroshi Sato² (1.Research and Development Center for Earthquake and Tsunami, Japan Agency for Marine-Earth Science and Technology, 2.ERI, Univ. of Tokyo)

*Ayako Nakanishi¹, Tsutomu Takahashi¹, Yojiro Yamamoto¹, Mikiya Yamashita¹, Minako KATSUYAMA¹, Seiichi Miura¹, Narumi Takahashi^3,1, Hiromi Kamata¹, Shuichi Kodaira¹, Yoshiyuki Kaneda^2,1 (1.Japan Agency for Marine-Earth Science and Technology, 2.Kagawa University, 3.National Research Institute for Earth Science and Disaster Resilience)

*Takeshi Sato¹, Tetsuo No¹, Shuichi Kodaira¹, Seiichi Miura¹, Tatsuya Ishiyama², Hiroshi Sato² (1.Research and Development Center for Earthquake and Tsunami, Japan Agency for Marine-Earth Science and Technology, 2.ERI, Univ. of Tokyo)

*Ayako Nakanishi¹, Tsutomu Takahashi¹, Yojiro Yamamoto¹, Mikiya Yamashita¹, Minako KATSUYAMA¹, Seiichi Miura¹, Narumi Takahashi^3,1, Hiromi Kamata¹, Shuichi Kodaira¹, Yoshiyuki Kaneda^2,1 (1.Japan Agency for Marine-Earth Science and Technology, 2.Kagawa University, 3.National Research Institute for Earth Science and Disaster Resilience)

*Gou Fujie¹, Koichiro Obana¹, Yojiro Yamamoto¹, Tomoaki Yamada², Takehi Isse², Shuichi Kodaira¹, Seiichi Miura¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Earthquake Research Institute, Univ. of Tokyo)

*Koichiro Obana¹, Gou Fujie¹, Yojiro Yamamoto¹, Yuka Kaiho¹, Yasuyuki Nakamura¹, Seiichi Miura¹, Tsutomu Takahashi¹, Shuichi Kodaira¹ (1.Research and Development Center for Earthquake and Tsunami, Japan Agency for Marine-Earth Science and Technology)

*Shuichi Kodaira^1,2, Akane Ohira^1,2, Gou Fujie¹, Tetsuo No¹, Yasuyuki Nakamura¹, Yuka Kaiho¹, Seiichi Miura¹ (1.R&D Center for Earthquake and Tsunami Japan Agency for Marine-Earth Science and Technology, 2.Graduate School of Environment and Information Sciences, Yokohama National University)

*Toshitaka Baba¹, Naotaka YAMAMOTO CHIKASADA², Yasuyuki Nakamura³, Gou Fujie³, Koichiro Obana³, Seiichi Miura³, Shuichi Kodaira³ (1.Graduate School of Science and Technology, Tokushima University, 2.National Research Institute for Earth Science and Disaster Resilience, 3.Japan Agency for Marine-Earth Science and Technology)

*Mikiya Yamashita¹, Seiichi Miura¹, Ayako Nakanishi¹, Jin-Oh Park², Shuichi Kodaira¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, The University of Tokyo)

*Mikiya Yamashita¹, Seiichi Miura¹, Ayako Nakanishi¹, Jin-Oh Park², Shuichi Kodaira¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, The University of Tokyo)