*Hiroto Yamaguchi¹, Mamoru Sano², Satoshi Shimizu², Hikaru Iwamaru², Nobukazu Seama^1,2, Tetsuo Matsuno^1,2, Yoshiyuki Tatsumi^1,2 (1.Department of Planetology, Graduate School of Science, Kobe university, 2.Kobe Ocean-bottom Exploration Center)

Kojima Hibiki¹, *Atsushi Tani¹, Tetsuo Matsuno^2,3, Mamoru Sano², Nobukazu Seama^3,2, Noritaka Endo⁴, Ken'ichi Ohkushi¹, Xu Zhang⁵, Yusuke Uchiyama⁵ (1.Graduate School of Human Development and Environment, Kobe University, 2.Kobe Ocean Bottom Exploration Center (KOBEC), Kobe University, 3.Graduate School of Science, Kobe University, 4.School of Geoscience and Civil Engineering College of Science and Engineering, Kanazawa University, 5.Graduate School of Engineering, Kobe University)

*Takeshi Hanyu¹, Nobukazu Seama^2,3, Satoru Tanaka¹, Yoshiyuki Tatsumi^3,2, Shunsuke Abe², Morihisa Hamada¹, Tomoko Hanyu³, Hikaru Iwamaru³, Souko Kado², Katsuya Kaneko^2,3, Ryohei Kikuchi², Koji Kiyosugi³, Tetsuo Matsuno^3,2, Iona McIntosh¹, Takashi Miyazaki¹, Reina NAKAOKA³, Nobuyuki Okamoto³, Taiki Orii², Satoshi Shimizu³, Tsuyoshi Shintani⁴, Keiko Suzuki-Kamata^3,2, Maria Luisa Tejada¹, Kenta Ueki¹, Bogdan Stefanov Vaglarov¹ (1.Japan Agency for Marine-Earth Science and Technology, Research Institute for Marine Geodynamics, 2.Kobe University, Graduate School of Science, 3.Kobe University, Kobe Ocean Bottom Exploration Center, 4.Osaka City University, Graduate School of Science)

*Tomoko Hanyu¹, Mamoru Sano¹, Hiroto Yamaguchi², Satoshi Shimizu¹, Tetsuo Matsuno^1,2, Masakazu Fujii^3,4, Yoshifumi Nogi^3,4, Nobukazu Seama^1,2 (1.Kobe Ocean-Bottom Exploration Center, Kobe University, 2.Department of Planetology, Graduate School of Science, Kobe University, 3.National Institute of Polar Research, 4.The Graduate University for Advanced Studies, SOKENDAI )

*Satoshi Shimizu^1,2, Reina NAKAOKA¹, Nobukazu Seama^3,1, Tomoko Hanyu¹, Keiko Suzuki-Kamata^1,3, Koji Kiyosugi¹, Katsuya Kaneko^3,1, Tetsuo Matsuno¹, Hikaru Iwamaru^1,2, Takeshi Hanyu⁴, Shunsuke Abe⁵, Nobuyuki Okamoto^1,6, Yoshiyuki Tatsumi^1,3 (1.Kobe Ocean-Bottom Exploration Center, Kobe University, 2.Nippon Marine Enterprises, Ltd., 3.Department of Planetology, Graduate School of Science, Kobe University, 4.Japan Agency for Marine-Earth Science and Technology, Research Institute for Marine Geodynamincs, 5.Department of Planetology, Faculty of Science, Kobe University, 6.Japan, Oil, Gas and Metals National Corporation)

*Koji Kiyosugi¹, Yoshiyuki Tatsumi¹, Keiko Suzuki-Kamata¹, Katsuya Kaneko², Reina NAKAOKA¹, Yuzuru Yamamoto², Takeshi Hanyu³, Satoshi Shimizu¹, Nobukazu Seama², Tetsuo Matsuno¹, Ryohei Kikuchi², Hiroto Yamaguchi² (1.Kobe Ocean-Bottom Exploration Center, Kobe University, 2.Department of Planetology, Graduate School of Science, Kobe University, 3.Japan Agency for Marine-Earth Science and Technology, Research Institute for Marine Geodynamics)

*Nobukazu Seama^1,2, Tomoeki Nakakuki³ (1.Department of Planetology, Graduate School of Science, Kobe University, 2.Kobe Ocean Bottom Exploration Center, Kobe University, 3.Department of Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University)

*Susumu Umino^1,2, Tomoaki Morishita^1,2, Jun-Ichi Kimura², Mikiya Yamashita^3,2, Nobukazu Seama⁴, Shigeaki Ono², Natsue Abe^2,1, Katsuyoshi Michibayashi^5,2 (1.Kanazawa University, 2.JAMSTEC, 3.Geological Survey of Japan, 4.Kobe University, 5.Nagoya University)