Yutaro Yabiki², *Kyuichi Kanagawa¹, Tatsuhiro Sugimoto³, Weiren Lin³ (1.Graduate School of Science, Chiba University, 2.Faculty of Science, Chiba University, 3.Graduate School of Engineering, Kyoto University)

*Manami Suzuki ¹, Akiko Hasemi², Tomomi Okada¹, Toru Matsuzawa¹, Norihito Umino¹, Noriko Tsumura³, Tadashi Yamashina⁴, Group for the aftershock observations of the 2011 off the Pacific of Tohoku Earthquake (1.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 2.Yamagata University, 3.Chiba University, 4.Kochi University)

*Shinobu Ito¹, Sawako Kinoshita¹, Kazuo Yamaguchi¹, Youhei Uchida¹, Takeshi ISHIHARA¹ (1.Geological Survey of Japan, AIST)

*Sawako Kinoshita¹, Shinobu Ito¹, Kazuo Yamaguchi¹, Takanobu Yokokura¹ (1.National Institute of Advanced Industrial Science and Technology)

*Imamura Katsuki¹, Hisatoshi Baba¹, Kayoko Tsuruga³, Nagisa Nakao², Kenji Nakata⁴, Takahito Nishimiya⁴ (1.Department of Marine and Earth Science, Tokai University, 2.Graduate School of Oceanography, Tokai University, 3.Tokyo University of Marine Science and Technology, 4.Meteorological Research Institute, Japan Meteorological Agency)

*Toshiki Watanabe¹, Tanio Ito², Ken'ichi Kano³, Susumu Abe⁴, Akira Fujiwara⁶, Yoshinori Kouchi⁵ (1.Earthquake and Volcano Research Center, Graduate School of Environmental Studies, Nagoya University, 2.Association for the Development of Earthquake Prediction, 3.Shizuoka University, 4.JAPEX, Co. Ltd., 5.Geosys, Inc., 6.JOGMEC)

*Hasegawa Daima¹, Toshiki Watanabe¹, Tanio Ito², Ken'ichi Kano³, Susumu Abe⁴, Akira Fujiwara⁵, Yoshinori Kochi⁶ (1.Graduate School of Environmental Studies, Nagoya University, 2.Association for the Development of Earthquake Prediction, 3.Shizuoka University, 4. JAPEX, Co. Ltd., 5.JOGMEC, 6.Geosys, Inc.)

*Osamu Murakami¹ (1.Tono Rearch Institute of Earthquake Science, Association for the Development of Earthquake Prediction)

*Hiroshi Katao¹ (1.Research Center for Earthquake Prediction, Disaster Prevention Research Institute, Kyoto University)

*Kunihiro Ryoki¹ (1.Polytechnic University)

*Eiji Kurashimo¹, Takashi Iidaka¹, Noriko Tsumura², Hiroki Nakasako², Takaya Iwasaki¹, Naoshi Hirata¹ (1.Earthquake Research Institute, the University of Tokyo, 2.Chiba University )

*Tetsuro Tsuru¹, Jin-Oh Park², Tetsuo No³, Yukari Kido³, Kazuo Nakahigashi¹ (1.Tokyo University of Marine Science and Technology, 2.Atmosphere and Ocean Research Institute, The University of Tokyo, 3.Japan Agency for Marine-Earth Science and Technology)

*Katsuhiko Shiomi¹ (1.National Research Institute for Earth Science and Disaster Resilience)

*Mitsuoka Takeru¹, Tomoharu Miyamoto² (1.Department of Earth and Planetary Sciences, School of Sciences, Kyushu University, 2.Department of Earth and Planetary Science, Faculty of Science, Kyushu University)

*Azusa Shito¹, Satoshi Matsumoto¹, Takahiro Ohkura² (1.Institute of Seismology and Volcanology, Kyushu University, 2.Aso Volcanological Laboratory, Institute for Geothermal Sciences, Graduate School of Science, Kyoto University)

*Takuo Shibutani¹, Masahiro Teraishi¹, Shintaro Komatsu¹, Ken'ichi Yamazaki¹, Yusuke Yamashita¹, Takahiro Ohkura¹, Shin Yoshikawa¹, Masato Iguchi¹, Takeshi Tameguri¹, Tadaomi Sonoda¹ (1.Kyoto Univ.)

*Masyitha Retno Budiati¹, Genti Toyokuni¹, Tomomi Okada¹ (1.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University)