*Ayaka Tagami¹, Miu Matsuno¹, Tomomi Okada¹, Shin'ichi Sakai², Mako Ohzono^2,3, Kei Katsumata³, Masahiro Kosuga⁴, Yoshiko Yamanaka⁵, Hiroshi Katao⁶, Takeshi Matsushima⁷, Hiroshi Yakiwara⁸, Takashi NAKAYAMA¹, Satoshi Hirahara¹, Toshio Kono¹, Hori Shunichiro¹, Toru Matsuzawa¹, . Group for the aftershock observations of the 2011 off the Pacific coast of Tohoku Earthquake (1.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 2.Earthquake Research Institute, University of Tokyo, 3.Institute of Seismology and Volcanology, Graduate School of Science, Hokkaido University, 4.Graduate School of Science and Technology, Hirosaki University, 5.Graduate School of Encironmental Studies, University of NAGOYA, 6.Research Center for Earthquake Prediction, Disaster Prevention Research Institute, Kyoto University, 7.Institute of Seismology and Volcanology, Faculty of Sciences, Kyushu University, 8.Nansei-toko Observatory for Earthquakes and Volcanoes, Kagoshima University)

*Koji Aoki¹, Yusuke Mukuhira¹, Takatoshi Ito¹ (1.Institute of Fluid Science, Tohoku University)

*Yusuke Mukuhira¹, Masaoki Uno², Keisuke Yoshida³ (1.Institute of Fluid Science, Tohoku University, 2.Graduate School of Environmental Studies, Tohoku University, 3.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Tohoku University)

*Jun Kameda¹, Atsushi Okamoto² (1.Earth and Planetary System Science, Graduate School of Science, Hokkaido University, 2.Graduate School of Environmental Studies, Tohoku University)

*Kousuke Shimizu¹, Yuji Yagi², Ryo Okuwaki^2,3,4, Yukitoshi Fukahata⁵ (1.Graduate School of Life and Environmental Sciences, University of Tsukuba, 2.Faculty of Life and Environmental Sciences, University of Tsukuba, 3.Mountain Science Center, University of Tsukuba, 4.COMET, School of Earth and Environment, University of Leeds, 5.Disaster Prevention Research Institute, Kyoto University)

*Rontaro Tabata¹, Kokoro Uchida¹, Ken-ichi Hirauchi¹ (1.Department of Geosciences, Faculty of science, Shizuoka University)

*Sumire Maeda¹, Futoshi Yamashita¹, Kurama Okubo¹, Eiichi Fukuyama^1,2 (1.National Research Institute for Earth Science and Disaster Resilience, 2.Kyoto University)

*Kurama Okubo¹, Eiichi Fukuyama^2,1, Futoshi Yamashita¹ (1.National Research Institute for Earth Science and Disaster Resilience, 2.Graduate School of Engineering, Kyoto University )

*Akito Tsutsumi¹, Akira Miyake¹, Yuko Onoe¹ (1.Graduate School of Science, Kyoto University)

*Hiroyuki Noda¹ (1.Kyoto University, Disaster Prevention Research Institute)

*Kazuya Tateiwa¹, Calum John Chamberlain², Laura Hughes², Martha K Savage², Tomomi Okada¹ (1.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 2.School of Geography, Environment and Earth Sciences, Victoria University of Wellington)

*Keisuke Yoshida¹ (1.Tohoku University)

*Yuki Noda¹, Yoshihisa Iio² (1.Kyoto University Graduate School of Science, 2.Kyoto University Disaster Prevention Research Institute)

*Kaho Hashimoto¹, Takuji Yamada² (1.Ibaraki University, 2.Faculty of Science, Graduate School of Science and Technology, Ibaraki University)

*Yukako TANAKA¹, Takuji Yamada² (1.Ibaraki University, 2.Faculty of Science, Graduate School of Science and Technology, Ibaraki University)

*Tsukasa Masuda¹, Takuji Yamada² (1.Ibaraki University, 2.Faculty of Science, Graduate School of Science and Technology, Ibaraki University)

*Masaki Orimo¹, Keisuke Yoshida¹, Taka'aki Taira², Toru Matsuzawa¹, Akira Hasegawa¹ (1.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Tohoku University , 2.Berkeley Seismological Laboratory, University of California, Berkeley)

*Yuka Kikuchi¹, Shinichi Uehara¹, Kazuo Mizoguchi² (1.Faculty of Science, Toho University, 2.Central Research Institute of Electric Power Industry)

*Yohei Hamada¹, Takehiro Hirose¹, Wataru Tanikawa¹ (1.Japan Agency for Marine-Earth Science and Technology Kochi Institute for Core Sample Research)

*Hayato Hitotsumatsu¹, Tohru Watanabe², Miki Takahashi³ (1.Department of Earth Science, Toyama University, 2.Faculty of Sustainable Design, University of Toyama, 3.Institute of Earthquake and Volcano Geology, Geological Survey of Japan, AIST)

*Naoto Maesako¹, Satoshi Matsumoto², Ayaho Mitsuoka¹, Group for Urgent Joint Seismic Observation of the 2016 Kumamoto Earthquake (1.Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University, 2.Institute of Seismology and Volcanology, Faculty of Science, Kyushu University)