*Glen S Mattioli^1,2, David Mencin^2,3, Kathleen Hodgkinson², Charles Meertens², David Philips², Fredrick Blume², Henry Berglund², Otina Fox², Karl Feaux², Charles Sievers² (1.Unversity of Texas at Arlington, 2.UNAVCO, Inc., 3.University of Colorado, Boulder)

*Hidee Tatehata¹, Takuji Waseda^1,2 (1.UTokyo Ocean Alliance, 2.The University of Tokyo Graduate School of Frontier scienses Department of Ocean Tecnology, Policy and Environment)

*Takeshi Nakamura¹, Toshitaka Baba² (1.National Research Institute for Earth Science and Disaster Resilience, 2.Tokushima University)

*Ikuo Takahashi¹, Hiromitsu Nakamura¹, Hiroyuki Fujiwara¹, Yoshinori TOKIZANE², Yasushi KOMARU², Masatsugu WAKAURA², Satoshi SHIMIZU², Yuzuru HAYAKAWA³ (1.National Research Institute for Earth Science and Disaster Prevention , 2.OYO RMS Corporation, 3.OYO Corporation)

*Hajime Naruse¹, Tomoya Abe² (1.Department of Geology and Mineralogy, Graduate School of Science, Kyoto University, 2.Geological Survey of Japan, AIST)

*Tomoya Abe¹, Hajime Naruse², Daisuke Sugawara³ (1.Geological Survey of Japan, AIST, 2.Department of Geology and Mineralogy, Graduate school of Science, Kyoto University, 3.Museum of Natural and Environmental History, Shizuoka)

*makoto kumagai^1,2, Yusuke Suzuki³, Hideyuki Itoh⁴, Hinako Suzuki⁵, Shinichi Sugimoto² (1.Graduate School of policy studies, Iwate prefectural University, 2.Sanriku Geopark Promotion Council, 3.Izu Peninsula Geopark Promotion Concil, 4.Faculty of policy studies, Iwate prefectural University, 5.National Research Institute for Earth Science and Disaster Resilience)

*Yoshihiro Kakinami¹ (1.National Institute of Technology, Tomakomai College )

*Akira Sato¹, Daisuke Sugawara², Akifumi Hisamatsu³, Kazuhisa Goto⁴ (1.Department of Earth Science, Tohoku University, 2.Museum of Natural and Environmental History, Shizuoka, 3.Department of Civil and Environmental Engineering, Tohoku University, 4.International Research Institute of Disaster Science (IRIDeS), Tohoku University)

*Yuka Yokoyama¹, Izumi Sakamoto¹, Daijiro Takahashi¹, Shouka Imai¹, Yasunori Takatani¹, Tsutsumi Kosuke¹, Masatoshi Yagi¹, mikio fujimaki¹, Kenji Nemoto¹, Takafumi Kasaya², Yoshihiro Fujiwara² (1.School of Marine Science and Technology, Tokai University, 2.JAMSTEC)