*Shoko Hirabayashi^1,2,3, Yusuke Yokoyama^2,3, Atsushi Suzuki⁴, Tezer Esat⁵, Yosuke Miyairi², Takahiro Aze², Fernando Siringan⁶, Yasuo Maeda⁷, Hironobu Kan¹ (1.Faculty of Social and Cultural Studies, Kyushu University, 2.Atmosphere and Ocean Research Institute, The University of Tokyo, 3.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 4.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), 5.Research School of Earth Sciences, The Australian National University, 6.Marine Science Institute, University of the Philippines, 7.Institute of Natural and Environmental Sciences, University of Hyogo)

*Minori Iida¹ (1.Tokyo Metropolitan Toyama High School)

*Takuro Matsuta¹, Yukio Masumoto¹ (1.Graduate School of Science, The University of Tokyo)

*Masami Nonaka¹, Hideharu Sasaki¹, Bunmei Taguchi², Niklas Schneider³ (1.Application Laboratory, Japan Agency for Marine-Earth Science and Technology, 2.University of Toyama, 3.IPRC, University of Toyama)

*Xu Zhang¹, Yusuke Uchiyama^1,2, Yota Suzue³, Eiji Masunaga⁴ (1.Kobe University, 2.Port and Airport Research Institute, 3.Construction Technique Institute Engineering Co., Ltd., 4.Ibaraki University)

*Tao Xing^1,2, Yikai Yang² (1.MLR Key Laboratory of Marine Mineral Resources, Guangzhou Marine Geological Survey, 2.South China Sea Institute of Oceanology, Chinese Academy of Sciences)

*Chia-Ying Ho¹, Hung-Jen Lee¹ (1.National Taiwan Ocean University)

Satoshi Kitaoka², *Takafumi Hirata¹, Keiko Sato¹ (1.Arctic Research Center, Hokkaido University, 2.Faculty of Environmental Earth Science)

*Kun Zhang^1,2 (1.Institute of Oceanology, Chinese Academy of Sciences, 2.Center for Ocean Mega-Science, Chinese Academy of Sciences)

*Yoshikazu Fukuda¹, Toshiyuki Sakurai¹, Kazuhiko Hayashi¹, Mikitoshi Hirabara¹, Koutaro Mine¹, Ayako Yamane¹, Yuka Okunaka¹, Kensaku Kobayashi¹, Hiromu Kobayashi¹ (1.Japan Meteorological Agency)