*Hideto Kimura^1,3, Hisashi Nirei^2,3,4 (1.Nihon University College of Education Department of Letters, 2.Paleo-kanto Great Depth Submarine Basin Geopark Promotion Council, 3.Former Department of Ocean Resources,School of Marine Science and Technology,Tokai University, 4.Former Research Institude of Environmental Geology, Chiba)

*Yusuke Koga¹ (1.Japan Aerospace Exploration Agency)

*Norihiro Nakamura¹, Yumiko Watanabe¹, Martin Robert¹, Mitsuru Haga¹ (1.Institute for Excellence in Higher Education, Tohoku University)

*Mana Yasui^1,2, Naoki Morita^2,3, Sawa Imazeki², Wataru Ino², Kaze Yoshimura^2,5, Hiroshi Hagiya^2,4 (1.Waseda research institute for science and engineering, 2.nonprofit organization Science and Art, 3.Meisei University, 4.Tokyo City University, 5.National Diet Library)

*Ritsuko Sugita¹ (1.National Research Institute of Police Science)

*Ami Pareek¹, Satoko Oki² (1.Keio University, 2.Keio University Faculty of Environment and Information studies)

*Sho Nagata¹, Hitomi Sasaki², Takuya Iwahori³, Satoko Oki³ (1.Keio University, Graduate School of Media and Governance, 2.Keio University, Faculty of Policy Management, 3.Keio University, Faculty of Environment and Information Studies)

*Yushi Morioka¹, Naoki Fujii², Ueno Hiromichi³, Akihiro Senda⁴, Hideki Kaeriyama⁵, Sayaka Yasunaka¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Saga University, 3.Hokkaido University, 4.The Japan Science Society, 5.Japan Fisheries Research and Education Agency)

*Makoto Obase¹ (1.kyoto Prefectural Mineyama High School)

*Hiroaki Tanaka¹, Ryouichi Kojiroi¹ (1.Geospatial Infomation Authority of Japan)