*Mari Hamahashi¹, Hironori Otsuka¹, Yoshiaki Suzuki², Jun Arimoto², Yuzuru Yamamoto^1,3, Nobukazu Seama^1,3, Stephen Bowden^4,1, Tetsuo Matsuno¹, Hiroko Sugioka^1,3, Satoshi Shimizu^1,5, Hikaru Iwamaru^1,5, Mamoru Sano^1,5, Keita Suzuki^1,5, Katsuya Kaneko^1,3, Kazuo Nakahigashi⁶, Yoshiyuki Tatsumi¹ (1.Kobe University, Ocean-Bottom Exploration Center, 2.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 3.Department of Planetology, Graduate School of Science, Kobe University, 4.School of Geosciences, University of Aberdeen, 5.Nippon Marine Enterprises, Ltd., 6.School of Marine Resources and Environment, Tokyo University of Marine Science and Technology)

*Iona McIntosh¹, Morihisa Hamada¹, Takeshi Hanyu¹, Maria Luisa Tejada¹, Takashi Miyazaki¹, Qing Chang¹, Bogdan Vaglarov¹, Katsuya Kaneko², Koji Kiyosugi², Reina Nakaoka², Keiko Suzuki-Kamata², Nobukazu Seama² (1.Institute for Marine Geodynamics, Japan Agency for Marine-Earth Science and Technology, 2.Kobe University)

*Yojiro Yamamoto¹, Aki Ito¹, Yasushi Ishihara¹, Masayuki Obayashi¹, Satoru Tanaka¹, Haruhisa Nakamichi², Hiroshi Yakiwara³, Yukihiro Nakatani³, Hiroko Sugioka^4,5, Hironori Otsuka⁴, Tetsuo Matsuno⁴, Nobukazu Seama^5,4 (1.Japan Agency for Marine-Earth Science and Technology, 2.Sakurajima Volcano Research Center, Disaster Prevention Research Institute, Kyoto University, 3.Nansei-Toko Observatory for Earthquakes and Volcanoes, Kagoshima University, 4.Kobe Ocean-Bottom Exploration Center (KOBEC), 5.Department of Planetology, Kobe University)

*Koji Kiyosugi¹, Syota Deguchi², Katsuya Kaneko³, Keiko Suzuki-Kamata¹, Reina NAKAOKA¹, Satoshi Shimizu¹, Nobukazu Seama³, Yoshiyuki Tatsumi¹, Takeshi Hanyu⁴ (1.Kobe Ocean-Bottom Exploration Center, Kobe University, 2.Department of Planetology, Faculty of Science, Kobe University, 3.Department of Planetology, Graduate School of Science, Kobe University, 4.Japan Agency for Marine-Earth Science and Technology)

*Hiroto Yamaguchi¹, Shuichi Kodaira², Gou Fujie², Nobukazu Seama¹ (1.Kobe university, 2.Japan Agency for Marine-Earth Science and Technology (JAMSTEC))