*Yasuhiko Ohara^1,2,3, Kyoko Okino⁴, Norikatsu Akizawa⁴, Masakazu Fujii⁵, Yumiko Harigane⁶, Ken-ichi Hirauchi⁷, Osamu Ishizuka⁶, Shiki Machida⁸, Katsuyoshi Michibayashi³, Alessio Sanfilippo⁹, Sani Camilla⁹, Snow E. Jonathan¹⁰, Kenichiro Tani¹¹, Hiroyuki Yamashita¹² (1.Hydrographic and Oceanographic Department of Japan, 2.Japan Agency for Marine-Earth Science and Technology , 3.Nagoya University, 4.Atmosphere and Ocean Research Institute, University of Tokyo, 5.National Institute of Polar Research , 6.Geological Survey of Japan, AIST, 7.Shizuoka University, 8.Chiba Institute of Technology, 9.University of Pavia, 10.Louisiana State University, 11.National Science Museum, 12.Kanagawa Prefectural Museum of Natural History)

*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)

*Hiroshi Sato¹, Shiki Machida², Ryoko Senda³ (1.School of Business Administration, Senshu University, 2.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 3.Faculty of Social and Cultural Studies, Kyushu University)

*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)

*Teruaki Ishii¹, Makoto Kaneko², Naoto Hirano³, Shiki Machida⁴, Asako Matsumoto⁴, Norikatsu Akizawa⁵, Yuki Sato³, Taku Yutani⁶, Keishiro Azami⁵, Yuki Katsuragi³, Shunta Sakai ³, Yukihiko Nakano⁷, Takuya Matsuzaki⁸ (1.Center for Integrated Research and Education of Natural Hazards, Sizuoka University, 2.Fukada Geological Institute, 3.Tohoku University, 4.Chiba Institute of Technology, 5.The University of Tokyo, 6.Tohoku University,University of Bayreuth (Germany), 7.Nippon Marine Enterprises, LTD, 8.Kochi University)

*Junji Kaneko¹, Shiki Machida² (1.Japan Agency for Marine-Earth Science and Technology, 2.Chiba Institute of Technology)

*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)