*kaoru fujita¹, Hiroshi Ogasawara¹, Masaki Kanao², Ryougo Tadokoro, Shigeki Horiuchi⁶, Makoto OKUBO⁵, Makoto Naoi⁴, Musa Manzi³, Koichiro Suzuki, Kotaro OGAWA¹, DSeis team (1.Ritsumeikan University, 2.National Institute of Polar Research, 3.Witwatersrand University, 4.Hokkaido University, 5.Kochi University, 6.Home Seismometer Co. Ltd.)

*Hiroshi Ogasawara¹, Seiya Oba², Kotaro Ogawa², kaoru fujita², Takaya Hamagaki¹, Hisanari Baba¹, Yasuo Yabe³, Takuya Matsuzaki⁴, Yuhji Yamamoto⁴, team DSeis (1.Faculty of Science and Engineering, Ritsumeikan University, 2.Graduate School of Science and Engineering, Ritsumeikan University, 3.Graduate School of Science, Tohoku University, 4.Marine Core Research Institute, Kochi University)

*Thomas L. Kieft¹, Alba Gomez-Arias², Julio Castillo Hernandez³, Devan Nisson⁴, Hiroshi Ogasawara⁵, Yasuo Yabe⁶ (1.Biology Department, New Mexico Institute of Mining and Technology, 2.Chemistry Department, University of the Free State, 3.Microbial Biochemical and Food Biotechnology Department, University of the Free State, 4.NASA Ames Research Center, 5.College of Science and Engineering, Ritsumeikan University, 6.Graduate School of Science, Tohoku University)

*Julio Castillo¹, Yohey Suzuki², Hiroshi Ogasawara³, Yasuo Yabe⁴ (1.Department of Microbiology and Biochemistry, University of the Free State, South Africa, 2.Department of Earth and Planetary Science, The University of Tokyo, 3.College of Science and Engineering, Ritsumeikan University, 4.Graduate School of Science, Tohoku University)

*Yasuo Yabe¹, Musa Manzi², Alba Gomez-Arias³, Devan Nisson⁴, Julio Castillo⁵, Raymond Durrheim², Hiroshi Ogasawara⁶, Thomas Kieft⁷, Scott Perl⁸ (1.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 2.School of Geosciences, University of the Witwatersrand, 3.Chemistry Department, University of the Free State, 4.Department of Geosciences, Princeton University, 5.Department of Microbiology and Biochemistry, University of Huelva, 6.College of Science and Engineering, Ritsumeikan University, 7.Biology Department, New Mexico Institute of Mining and Technology, 8.Origins and Habitability Laboratory, NASA Jet Propulsion Laboratory)