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

*Akiko Hasemi¹, Yoshiyuki Takahashi², Tomomi Okada³ (1.Department of Earth and Environmental Sciences, Faculty of Science, Yamagata University, 2.Earth and Environmental Sciences, Graduate School of Science and Engineering, Yamagata University, 3.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University)

*Ryota Takagi¹, Tomomi Okada¹, Keisuke Yoshida², John Townend³, Carolin Boese⁴, Laura-May Baratin³, Calum Chamberlain³, Martha Savage³ (1.Tohoku University, 2.National Research Institute for Earth Science and Disaster Prevention, 3.Victoria University of Wellington, 4.International Earth Sciences IESE Ltd.)

*Tomomi Okada¹, Takashi NAKAYAMA¹, Satoshi Hirahara¹, Shuichiro Hori¹, Toshiya Sato¹, Toru Matsuzawa¹ (1.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University)

*Hiroshi Shimizu¹, Yoshihisa Iio⁸, Shin'ichi Sakai⁶, Tomomi Okada⁵, Hiroaki Takahashi³, Toshiki Watanabe⁷, Kazuhiko Goto², Takahiro Ohkura⁹, Youichi Asano¹⁰, Takeshi Matsushima¹, Yusuke Yamashita⁸, Manami Nakamoto¹, Masahiro Miyazaki⁸, Satoshi Matsumoto¹, Koki Aizawa¹, Azusa Shito¹, Kazunari Uchida¹, Rintaro Miyamachi¹, Megumi Kamizono¹, Yoshiko Teguri¹, Hiroki Miyamachi², Shigeru Nakao², Hiroshi Yakiwara², Shuichiro Hirano², Mako Ohzono³, Takahiro Shiina³, Takada Masamitsu³, Masayoshi Ichiyanagi³, Teruhiro Yamaguchi³, Okada Kazumi³, Masahiro Kosuga⁴, Ryosuke Azuma⁵, Naoki Uchida⁵, Kentaro Emoto⁵, Yusaku Ohta⁵, Toshiki Kaida⁵, Tomofumi Kozono⁵, Syuichi Suzuki⁵, Ryota Takagi⁵, Tomotsugu Demachi⁵, Hisashi Nakahara⁵, Takashi NAKAYAMA⁵, Satoshi Hirahara⁵, Toru Matsuzawa⁵, Satoshi Miura⁵, Mare Yamamoto⁵, Takaya Iwasaki⁶, Naoshi Hirata⁶, Takashi Iidaka⁶, Eiji Kurashimo⁶ (1.Institute of Seismology and Volcanology, Faculty of Sciences, Kyushu University, 2.Graduate School of Science and Engineering,Kagoshima University, 3.Graduate School of Science, Hokkaido University, 4.Graduate School of Science and Technology, Hirosaki University, 5.Graduate School of Science, Tohoku University, 6.Earthquake Research Institute, The University of Tokyo, 7.Graduate School of Environmental Studies, Nagoya University, 8.Disaster Prevention Research Institute, Kyoto University, 9.Graduate School of Science, Kyoto University, 10.National Research Institute for Earth Science and Disaster Prevention)

*Manami Nakamoto¹, Satoshi Matsumoto¹, Takeshi Matsushima¹, Shin'ichi Sakai², Yusuke Yamashita³, Masahiro Miyazaki³, Yoshihisa Iio³, Tomomi Okada⁴, Hiroaki Takahashi⁵, Toshiki Watanabe⁶, Kazuhiko Goto⁷, Youichi Asano⁸, Hiroshi Shimizu¹, Group for urgent joint seismic observation of the 2016 Kumamoto earthquake (1.Institute of Seismology and Volcanology, Kyushu University, 2.Earthquake Research Institute, The University of Tokyo, 3.Disaster Prevention Research Institute, Kyoto University, 4.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Tohoku University, 5.Institute of Seismology and Volcanology, Hokkaido University, 6.Earthquake and Volcano Research Center, Nagoya University, 7.Nansei-Toko Observatory for Earthquakes and Volcanoes, Kagoshima University, 8.National Research Institute for Earth Science and Disaster Resilience)

*Manami Nakamoto¹, Satoshi Matsumoto¹, Takeshi Matsushima¹, Shin'ichi Sakai², Yusuke Yamashita³, Masahiro Miyazaki³, Yoshihisa Iio³, Tomomi Okada⁴, Hiroaki Takahashi⁵, Toshiki Watanabe⁶, Kazuhiko Goto⁷, Youichi Asano⁸, Hiroshi Shimizu¹, Group for urgent joint seismic observation of the 2016 Kumamoto earthquake (1.Institute of Seismology and Volcanology, Kyushu University, 2.Earthquake Research Institute, The University of Tokyo, 3.Disaster Prevention Research Institute, Kyoto University, 4.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Tohoku University, 5.Institute of Seismology and Volcanology, Hokkaido University, 6.Earthquake and Volcano Research Center, Nagoya University, 7.Nansei-Toko Observatory for Earthquakes and Volcanoes, Kagoshima University, 8.National Research Institute for Earth Science and Disaster Resilience)