*Hiroki Miyamachi¹, Hiroaki Takahashi², Hiroshi Aoyama², Takahiro Shiina², Masamitsu Takada², Masayoshi Ichiyanagi², Teruhiro Yamaguchi², Natsuki Ono², Saito Kazuma², Chihiro Ito², Yoshio Murai², Tomoki Tsutsui³, Inoue Yusuke³, Ryuichi Takei³, Mare Yamamoto⁴, Satoshi Hirahara⁴, Takashi Nakayama⁴, Ryota Hino⁴, Ryosuke Azuma⁴, Shuhei Otomo⁴, Eiji Kurashimo⁵, Takaya Iwasaki⁵, Masanao Shinohara⁵, Tomoaki Yamada⁵, Eiji Abe⁵, Kazuo Nakahigashi⁶, Toshiki Watanabe⁷, Yuta Maeda⁷, Shinichiro Horikawa⁷, Takashi Okuda⁷, Shuhei Tsuji⁷, Daima Hasegawa⁷, Hiroshi Katao⁸, Takuo Shibutani⁸, Tsutomu Miura⁸, Jun Nakagawa⁸, Shinya Kato⁸, Yusuke Yamashita⁸, Takeshi Matsushima⁹, Kenshin Isoda⁹, Agnis Triahadini⁹, Yoshiko Teguri⁹, Rintaro Miyamachi⁹, Hiroshi Shimizu⁹, Reiji Kobayashi¹, Kazuho Nakai¹, Masakazu Soda¹, Hiroshi Yakiwara¹, Shuichiro Hirano¹ (1.Kagoshima University, 2.Hokkaido University, 3.Akita University, 4.Tohoku University, 5.University of Tokyo, 6.Tokyo University of Marine Science and Tecnology, 7.Nagoya University, 8.Kyoto University, 9.Kyushu University)

*Tetsuro Tsuru¹, Jin-Oh Park², Tetsuo No³, Yukari Kido³, Kazuo Nakahigashi¹ (1.Tokyo University of Marine Science and Technology, 2.Atmosphere and Ocean Research Institute, The University of Tokyo, 3.Japan Agency for Marine-Earth Science and Technology)

*Tetsuro Tsuru¹, Jin-Oh Park², Tetsuo No³, Yukari Kido³, Kazuo Nakahigashi¹ (1.Tokyo University of Marine Science and Technology, 2.Atmosphere and Ocean Research Institute, The University of Tokyo, 3.Japan Agency for Marine-Earth Science and Technology)

*Tetsuo Matsuno^1,2, Yoshiyuki Tatsumi^1,2, Nobukazu Seama^2,1, Keiko Suzuki-Kamata^1,2, Hiroshi Ichihara^3,1, Koji Kiyosugi^4,1, Reina Nakaoka¹, Satoshi Shimizu¹, Mamoru Sano¹, Hikaru Iwamaru¹, Haruhisa Morozumi¹, Hiroko Sugioka^2,1, Kazuo Nakahigashi^5,1, Yojiro Yamamoto⁶, Kazuki Hayashi², Kimihiro Nishimura², Yuka Furukawa², Misaki Horiuchi², Daichi Nakata⁷, Ryoto Nakamura⁷, Hirose Toki⁸, Yasutomo Seto⁸, Atsuhiro Oshige⁹, Hideaki Takizawa¹⁰, Tatsuro Chiba¹¹, Shuichi Kodaira⁶ (1.Kobe Ocean Bottom Exploration Center, Kobe University, 2.Department of Planetology, Graduate School of Science, Kobe University, 3.Graduate school of environmental studies, Nagoya University, 4.Organization of Advanced Science and Technology, Kobe University, 5.Tokyo University of Marine Science and Technology, 6.Japan Agency for Marine-Earth Science and Technology, 7.Division of Marine Engineering, Graduate School of Maritime Sciences, Kobe University, 8.Department of Planetology, Faculty of Science, Kobe University, 9.Department of Marine Engineering, Faculty of Maritime Sciences, Kobe University, 10.Johnny & Associates, Inc, 11.Asia Air Survey Co., Ltd.)

*Satoshi Shimizu^1,2, Hikaru Iwamaru^1,2, Nobukazu Seama^6,1, Tetsuo Matsuno^1,6, Hiroshi Ichihara^3,1, Mamoru Sano^1,2, Hiroko Sugioka^6,1, Kazuo Nakahigashi^5,1, Yojiro Yamamoto⁴, Kimihiro Nishimura⁶, Yuka Furukawa⁶, Misaki Horiuchi⁶, Toki Hirose⁷, Yasutomo Seto⁷, Yoshiyuki Tatsumi^1,6 (1.Ocean-Bottom Exploration Center, Kobe University, 2.Nippon Marine Enterprises, Ltd., 3.Earthquake and Volcano Research Center Graduate School of Environmental Studies, Nagoya University, 4.R&D Center for Earthquake and Tsunami, Japan Agency for Marine-Earth Science and technology, 5.Department of Marine Resources and Energy, Tokyo University of Marine Science and Technology, 6.Department of Planetology, Graduate School of Science, Kobe University, 7.Department of Planetology, Faculty of Science, Kobe University)