*Kazuko Usami¹, Ken Ikehara¹, Toshiya Kanamatsu², Masayuki Miyazaki², KanHsi Hsiung², Taku Ajioka¹ (1.Institute of Geology and Geoinformation, National Institute of Advanced Industrial Science and Technology, 2.JAMSTEC)

*Ken Ikehara¹, Tomohisa Irino², Takuya Itaki¹ (1.Institute of Geology and Geoinformation, National Institute of Advanced Industrial Science and Technology, 2.Hokkaido University)

*Juichiro Ashi¹, Asuka Yamaguchi¹, Rina Fukuchi¹, Akihiro Ohde¹, Natsumi Okutsu¹, Yu Tabuchi², Ken Ikehara³ (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Kochi University, 3.AIST)

*Toshiya Kanamatsu¹, Kazuko Usami², Cecilia McHugh³, Ken Ikehara² (1.Japan Agency for Marine-Earth Science and Technology, 2.Institute of Geology and Geoinformation, National Institute of Advanced Industrial Science and Technology, 3.Earth and Environmental Sciences, Queens College, City University of New York Earth and Environmental Sciences, Queens College, City University of New York)

*Asuka Yamaguchi¹, Kazuno Arai², Ken Ikehara³, Toshiya Kanamatsu², Rina Fukuchi¹, Yasuyuki Nakamura², Kazuko Usami³, Natsumi Okutsu¹, Koji Seike¹, Juichiro Ashi¹ (1.Atomosphere and Ocean Research Institute, The University of Tokyo, 2.R&D Center for Earthquake and Tsunami, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 3.Research Institute of Geology and Geoinformation, National Institute of Advanced Industrial Science and Technology (AIST))

*Toshiya Kanamatsu¹, Juichiro Ashi², Ken Ikehara³, KH-15-2 Leg3 scientific party (1.Japan Agency for Marine-Earth Science and Technology, 2.Atmosphere and Ocean Research Institute, The University of Tokyo, 3.Institute of Geology and Geoinformation, National Institute of Advanced Industrial Science and Technology)

*Tomohisa Irino¹, Johanna Lofi², Akinori Karasuda³, Takuya Sagawa⁴, Ken Ikehara⁵, Shunsuke Kurokawa³, Ryuji Tada³ (1.Faculty of Environmental Earth Science, Hokkaido University, 2.Universite de Montpellier, 3.Department of Earth and Planetary Science, University of Tokyo, 4.Institute of Science and Engineering, Kanazawa University, 5.Institute of Geology and Geoinformation, National Institute of Advanced Industrial Science and Technology)

*Ryuji Tada¹, Tomohisa Irino², Ken Ikehara³, Akinori Karasuda¹, Song Lu², Arisa Seki¹, Saiko Sugisaki³, Chang Xuan⁴, Takuya Itaki³, Takuya Sagawa⁵, Yoshimi Kubota⁶, Richard W Murray⁷, Carlos A Alvarez Zarikian⁸, Exp 346 Scientists (1.Department of Earth and Planetary Science, Graduate School of Science, The Univeristy of Tokyo, 2.Graduate School of Environmental Science, Division of Earth System Science, Hokkaido University, 3.Reserch Institute of Geology and Geoinformation, Geological Survey of Japan, 4.School of Ocean and Earth Science, University of Southampton, 5.School of Natural System, Graduate School of Natural Science and Technology, Kanazawa University, 6.Department of Geology and Paleontology, National Museum of Nature and Science, 7.Earth and Environment, Boston University, 8.International Ocean Discovery Program, Texas A & M University)

*Ken Ikehara¹, Yasufumi Satoguchi², Yoshitaka Nagahashi³, Naomi Nakazawa³ (1.Institute of Geology and Geoinformation, National Institute of Advanced Industrial Science and Technology, 2.Lake Biwa Museum, 3.Fukushima University)

*Takuya Sagawa¹, Takuya Itaki², Yoshitaka Nagahashi³, Yasufumi Satoguchi⁴, Ken Ikehara², Tomohisa Irino⁵, Ryuji Tada⁶ (1.Institute of Science and Engineering, Kanazawa University, 2.Geological Survey of Japan, AIST, 3.Faculty of Symbiotic System Science, Fukushima University, 4.Lake Biwa Museum, 5.Faculty of Environmental Earth Science, Hokkaido University, 6.Department of Earth and Planetary Science, Graduate School of Science, The Univeristy of Tokyo)

*Saiko Sugisaki¹, Andrew Murray², Jan-Pieter Buylaert^2,3, Ryuji Tada⁴, Ken Ikehara¹, Yoshitaka Nagahashi⁵, Yasufumi Satoguchi⁶, Tomohisa Irino⁷, Richard W Murray⁸, Carlos A Alvarez-Zarikian⁹, Expedition 346 scientists (1.Geological Survey of Japan, AIST, 2.Aarhus University, 3.Technical University of Denmark, 4.The University of Tokyo, 5.Fukushima University, 6.Lake Biwa Museum, 7.Hokkaido University, 8.Boston University, 9.Texas A&M University)

*Yoshiaki Suzuki¹, Takuya Sagawa², Ken Ikehara³, Takeshi Nakagawa⁴, Tomohisa Irino⁵, KR15-10 cruise members (1.The University of Tokyo, 2.Kanazawa University, 3.National Institute of Advanced Industrial, Science and Technology, 4.Ritsumeikan University, 5.Hokkaido University)