*Wataru Sasaki¹, Kazutaka Yasukawa¹, Kentaro Nakamura^1,2, Shiki Machida², Kato Yasuhiro^1,2 (1.Department of Systems Innovation, School of Engineering, The University of Tokyo, 2.ORCeNG, Chiba Institute of Technology)

*Hiroshi Sato¹, Shiki Machida², Christine M Meyzen³, Taichi Sato⁴, Tomokazu Hokada^5,6, Masakazu Fujii^5,6, Yoshifumi Nogi^5,6, Dan McKenzie⁷ (1.School of Business Administration, Senshu University, 2.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 3.Dipartimento di Geoscienze, Università degli Studi di Padova, 4.Geological Survey of Japan, AIST, 5.National Institute of Polar Research, 6.Department of Polar Science, School of Multidisciplinary Sciences, SOKENDAI, 7.Bullard Laboratories, University of Cambridge)

*Naoto Takada¹, Kazutaka Yasukawa¹, Daiki Terauchi¹, Mitsuki Ogasawara¹, Marshel Emmanuelle Tampah¹, Mori Shunsuke¹, Sho Yoshida¹, Moei Yano^2,1, Shiki Machida^2,1, Kana Ashida², Yusuke Kuwahara^1,2, Junichiro Ohta^1,2, Koichiro Fujinaga^2,1, Kentaro Nakamura^1,2, Kato Yasuhiro^1,2 (1.School of Engineering, The University of Tokyo, 2.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology)

*Teruaki Ishii¹, Naoto HIRANO², Norikatsu AKIZAWA³, Makoto KANEKO⁴, Shiki MACHIDA⁵ (1.Center for Integrated Research and Education of Natural Hazards, Sizuoka University, 2.Tohoku University, 3.The University of Tokyo, 4.Fukada Geological Institute, 5.Chiba Institute of Technology)

Yuya Jindo¹, *Naoto Hirano¹, Shiki Machida² (1.Tohoku University, 2.Chiba Institute of Technology)