*Masafumi MURAYAMA¹, Wataru Tanikawa², Akira Ijiri², Tatsuhiko Hoshino², Takehiro Hirose², Toshiya Fujiwara², Kazuya Kitada², Kastuya Nejigaki³, Tokuyama Hidekazu⁴, Go-Ichiro Uramoto⁴, Kazuno Arai⁴, Kondo Yasuo³, Yuhji Yamamoto⁴, Research Member Kurodagoori⁴ (1.Faculty of Agriculture and Marine Science, Kochi University, 2.JAMSTEC, 3.Graduate School of Integrated Arts and Sciences, Kochi University, 4.Center for Advanced Marine Core Research, Kochi University)

*Shuichi Kodaira¹, Toshiya Fujiwara¹, Yasuyuki Nakamura¹, Gou Fujie¹, Koichiro Obana¹, Ryota Hino² (1.Research Institute for Marine Geodynamics, Japan Agency for Marine-Earth Science and Technology, 2.Graduate school of Science, Tohoku University)

*Toshiya Fujiwara^1,9, Shuichi Kodaira¹, Gou Fujie¹, Yuka Kaiho¹, Toshiya Kanamatsu¹, Takafumi Kasaya², Yasuyuki Nakamura¹, Tetsuo No¹, Tsutomu Takahashi¹, Takeshi Sato³, Narumi Takahashi^4,1, Yoshiyuki Kaneda^5,1, Katharina Bachmann⁶, Christian dos Santos Ferreira⁶, Gerold Wefer⁶, Michael Strasser⁷, Tianhaozhe Sun⁸ (1.Research Institute for Marine Geodynamics, Japan Agency for Marine-Earth Science and Technology, 2.Research Institute for Marine Resources Utilization, Japan Agency for Marine-Earth Science and Technology, 3.Sapporo Regional Headquarters, Japan Meteorological Agency, 4.National Research Institute for Earth Science and Disaster Resilience, 5.Kagawa University, 6.MARUM, University of Bremen, 7.Institute of Geology, University of Innsbruck, 8.Pacific Geoscience Centre, Geological Survey of Canada, 9.Kochi University)

*Yasuyuki Nakamura¹, Toshiya Fujiwara¹, Shuichi Kodaira¹, Seiichi Miura¹, Koichiro Obana¹ (1.Japan Agency for Marine Earth Science and Technology)