*Motoi Fukami¹, Nobutatsu Mochizuki², Osamu Ishizuka³, Nobuo Geshi³, Rex N Taylor⁴ (1.Graduate School of Science and Technology, Kumamoto University, 2.Faculty of Advanced Science and Technology, Kumamoto University, 3.Geological Survey of Japan, AIST, 4.University of Southampton)

*Yumiko Harigane¹, Tomoaki Morishita², Akihiro Tamura², Kenichiro Tani³, Osamu Ishizuka^1,4, Annie Rassios⁵ (1.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), 2.Kanazawa University, 3.National Museum of Nature and Science, 4.Japan Agency for Marine-Earth Science and Technology, 5.Hellenic Survey of Geology and Mineral Exploration)

*Simon Barker¹, Osamu Ishizuka², Chris Conway², Kyoko Kataoka³, Yusuke Minami², Graham Leonard⁴, Bruce Charlier¹ (1.School of Geography, Environment and Earth Science, Victoria University of Wellington, New Zealand, 2.Geological Survey of Japan/AIST, Tsukuba, Ibaraki, Japan, 3.Research Institute for Natural Hazards and Disaster Recovery, Niigata University, Japan, 4.GNS Science, Lower Hutt, New Zealand)

*Maria Luisa Tejada¹, Takeshi Hanyu¹, Takashi Miyazaki¹, Morihisa Hamada¹, Qing Chang¹, Tomoki Sato¹, Iona McIntosh¹, Kenta Ueki¹, Bogdan Vaglarov¹, Nobukazu Seama^1,2, Katsuya Kaneko², Reina Nakaoka², Koji Kiyosugi², Keiko Suzuki-Kamata², Yoshi Tatsumi², Osamu Ishizuka³ (1.Volcano and Earth Interior Research Center, Institute for Marine Geodynamics, Japan Agency for Marine-Earth Science and Technology, 2.Kobe Ocean Bottom Exploration Center, Kobe University, 3.Geological Survey of Japan)

*Chris Conway¹, Osamu Ishizuka¹, Simon Barker², Kyoko Kataoka³, Graham Leonard⁴, Yusuke Minami¹, Dougal Townsend⁴, Colin J N Wilson² (1.Geological Survey of Japan AIST, 2.Victoria Univ. Wellington, 3.Niigata Univ. , 4.GNS Science)

*Susumu Umino¹, Trinh Nguyen¹, Akihiro Tamura¹, Yuki Kusano², Norikatsu Akizawa³, Osamu Ishizuka², Takahiro Fudai⁶, Sumio Miyashita⁴, Yoshiko Adachi⁵, Tomoaki Morishita¹ (1.School of Geosciences and Civil Engineering, Kanazawa University, 2.Geological Survey of Japan, AIST, 3.Atmosphere and Ocean Research Institute, The University of Tokyo, 4.Hokkaido Research Center of Geology, 5.Central Research Institute of Electric Power Industry (CRIEPI), 6.Taiheiyo Cement)

*Hiroaki Koge¹, Taichi Sato¹, Jun Arimoto¹, Makoto Otsubo¹, Saki Ishino¹, Yoshiaki Suzuki¹, Osamu Ishizuka¹, Takahiko Inoue¹, Mikiya Yamashita¹, Seishiro Furuyama², Yuka Yokoyama³, Hiroki Minami⁴, Chiori Tamura⁵ (1.Geological Survey of Japan, AIST, 2.Tokyo University of Marine Science and Technology, 3.Tokai University, 4.Japan Coast Guard, 5.Atmosphere and Ocean Research Institute, The University of Tokyo)

*Kyoko Okino¹, Osamu Ishizuka², Kenichiro Tani³, Yumiko Harigane², Hiroaki Koge², JINYU ZHOU⁴ (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.National Institute of Advanced Industrial Science and Technology, 3.National Museum of Nature and Science, 4.Institute of Industrial Science, The University of Tokyo)

*Saki Ishino¹, Osamu Ishizuka¹, Yumiko Harigane¹, Ayanori Misawa¹, Jun Arimoto¹, Takahiko Inoue¹, Hiroaki Koge¹, Kenichiro Tani² (1.Geological Survey of japan, AIST, 2.Department of Geology and Paleontology, National Museum of Nature and Science)

*Yoshiaki Suzuki¹, Takuya Itaki¹, Hajime Katayama¹, Naotomo Kaneko¹, Naoki Saito¹, Yumiko Harigane¹, Osamu Ishizuka¹, Koji Seike¹, Scientists of GB21-1/2/3/GB22-1/2/KH-22-2/KH-23-1 cruises (1.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology)

*Osamu Ishizuka¹, Rex N. Taylor², Susumu Umino³, Kyoko Kanayama⁴, Kenichiro Tani⁵, Yumiko Harigane¹, Christopher E. Conway¹, Martin Patriat⁶, Trevor Falloon⁷, Julien Collot⁸, Leonid Danyushevsky⁷ (1.Geological Survey of Japan, AIST, 2.University of Southampton, 3.Kanazawa University, 4.Tottori Prefecture, 5.National Museum of Nature and Science, 6.IFREMER, 7.University of Tasmania, 8.University of Brest)

*Kenichiro Tani¹, Takashi Sano¹, Osamu Ishizuka², Teruki Oikawa², Yoshiaki Suzuki², Hajime Katayama², Hiroki Minami³, Masashi NAGAI⁴, Taketo Shimano⁵, Michihiko Nakamura⁶, Taisei Ukita⁶, Fukashi Maeno⁷, Tatsuki Mizuno⁷, Naoto Jimi⁸, Iona McIntosh⁹, Fumihiko Ikegami¹⁰ (1.National Museum of Nature and Science, 2.National Institute of Advanced Industrial Science and Technology, 3.Japan Coast Guard, 4.National Research Institute for Earth Science and Disaster Resilience, 5.Kagoshima University, 6.Tohoku University, 7.University of Tokyo, 8.Nagoya University, 9.Japan Agency for Marine-Earth Science and Technology, 10.University of Tasmania)