*Erika Tanaka¹, Kazutaka Yasukawa^2,1,3, Kentaro Nakamura¹, Junichiro Ohta^2,3, Tatsuo Nozaki^4,2,5,3, Yoichi Usui⁴, Koichiro Fujinaga^3,2, Koichi Iijima⁴, Yasuhiro Kato^2,1,3 (1.Department of Systems Innovation, School of Engineering, The University of Tokyo, 2.Frontier Research Center for Energy and Resources, School of Engineering, The University of Tokyo, 3.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 4.Submarine Resources Research Center, Japan Agency for Marine-Earth Science and Technology, 5.Department of Planetology, Faculty of Science, Kobe University)

*Yasuhiro Kato^1,2, Kazutaka Yasukawa^1,2, Junichiro Ohta^1,2, Erika Tanaka¹, Kazuhide Mimura¹, Koichiro Fujinaga^2,1, Kentaro Nakamura¹ (1.Graduate School of Engineering, University of Tokyo, 2.ORCeNG, Chiba Institute of Technology)

*Kyoko Okino¹, Tomoaki Morishita², Shiki Machida³, Kentaro Nakamura¹, Yasuhiko Ohara⁴, Kenichiro Tani⁵, Osamu Ishizuka⁶ (1.The University of Tokyo, 2.Kanazawa University, 3.Chiba Instutue of Technology, 4.Japan Coast Guard, 5.National Museum of Nature and Science, 6.National Institute of Advanced Industrial Science and Technology)

*Kazutaka Yasukawa^1,2, Erika Tanaka¹, Takashi Miyazaki³, Bogdan Stefanov Vaglarov³, Qing Chang³, Junichiro Ohta^1,2, Kentaro Nakamura¹, Koichiro Fujinaga^2,1, Shiki Machida^2,1, Hikaru Iwamori^4,3,5, Yasuhiro Kato^1,2 (1.School of Engineering, The University of Tokyo, 2.ORCeNG, Chiba Institute of Technology, 3.JAMSTEC, 4.Earthquake Research Institute, The Universityof Tokyo, 5.Department of Earth and Planetary Sciences, Tokyo Institute of Technology)

*Kazuhide Mimura¹, Shugo Minabe¹, Junichiro Ohta^1,2,3, Kentaro Nakamura¹, Kazutaka Yasukawa^1,2, Koichiro Fujinaga^2,1, Kazuhiro Takao¹, Yasuhiro Kato^1,2 (1.Department of Systems Innovation, School of Engineering, the University of Tokyo, 2.ORCeNG, Chiba Institute of Technology, 3.JAMSTEC)

*Keishiro Azami¹, Qing Chang², Jun-Ichi Kimura², Kazutaka Yasukawa^1,3, Kentaro Nakamura¹, Yasuhiro Kato^1,3 (1.Department of System Innovation, Graduate School of Engineering, The University of Tokyo, 2.Japan Agency for Marine-Earth Science and Technology, 3.Chiba Institute of Technology)

*Yasuhiro Kato^1,2, Kazutaka Yasukawa^1,2, Junichiro Ohta^1,2, Koichiro Fujinaga^2,1, Kentaro Nakamura¹ (1.Graduate school of Engineering, Univ. of Tokyo, 2.ORCeNG, Chiba Institute of Technology)

*Junichiro Ohta^1,2,3, Kazutaka Yasukawa^1,3,2, Tatsuo Nozaki^3,1,4,2, Yutaro Takaya^5,2,3, Kazuhide Mimura¹, Koichiro Fujinaga^2,1, Kentaro Nakamura¹, Yoichi Usui³, Jun-Ichi Kimura³, Qing Chang³, Yasuhiro Kato^1,2,3 (1.The University of Tokyo, 2.Chiba Institute of Technology, 3.Japan Agency for Marine-Earth Science and Technology, 4.Kobe University, 5.Waseda University)

*Yusuke Kuwahara¹, Kazutaka Yasukawa^2,1,3, Koichiro Fujinaga^3,2, Tatsuo Nozaki^4,2,5,3, Junichiro Ohta^2,3,6, Honami Sato^3,4, Jun-Ichi Kimura⁶, Kentaro Nakamura¹, Yasuhiro Kato^2,1,3,4 (1.Department of Systems Innovation, School of Engineering, The University of Tokyo, 2.Frontier Research Center for Energy and Resources, School of Engineering, The University of Tokyo, 3.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 4.Submarine Resources Research Center, Japan Agency for Marine-Earth Science and Technology, 5.Department of Planetology, Graduate School of Science, Kobe University, 6.Volcanos and Earth’s Interior Research Center, Research Institute for Marine Geodynamics, Japan Agency for Marine-Earth Science and Technology)

Koshiro Sato¹, *Kazutaka Yasukawa^1,2, Junichiro Ohta^1,2, Keishiro Azami¹, Kentaro Nakamura¹, Koichiro Fujinaga^2,1, Minoru Ikehara³, Yasuhiro Kato^1,2 (1.School of Engineering, The University of Tokyo, 2.ORCeNG, Chiba Institute of Technology, 3.Center for Advanced Marine Core Research, Kochi University)

*Moei Yano¹, Kazutaka Yasukawa^1,2, Kentaro Nakamura¹, Minoru Ikehara³, Yasuhiro Kato^1,2 (1.School of Engineering, The University of Tokyo, 2.Chiba Institute of Technology, 3.Kochi University)

*Kentaro Nakamura¹, Daiki Terauchi¹, Ryo Shimomura¹, Shiki Machida², Kazutaka Yasukawa^1,2, Koichiro Fujinaga^2,1, Yasuhiro Kato^1,2 (1.Department of Systems Innovation, School of Engineering, University of Tokyo, 2.ORCeNG, Chiba Institute of Technology)