*Ryuta Arai¹, Shuichi Kodaira¹, Stuart Henrys², Nathan Bangs³, Koichiro Obana¹, Gou Fujie¹, Seiichi Miura¹, Dan Bassett², Dan Barker², Rebecca Bell⁴, Kimihiro Mochizuki⁵, Team NZ3D (1. JAMSTEC, 2. GNS Science, 3. Univ. of Texas, 4. Imperial College London, 5. ERI, Univ. of Tokyo)

*Takahiro Shiina¹, Kei Katsumata², Masayoshi Ichiyanagi², Hiroaki Takahashi², Ryoichi Nakamura¹, Aitaro Kato¹, Mako Ohzono², Hiroshi Aoyama², Ryo Tanaka², Masamitsu Takada², Teruhiro Yamaguchi², Kazumi Okada², Shin’ichi Sakai¹, Satoshi Matsumoto³, Tomomi Okada⁴, Toru Matsuzawa⁴, Shuichiro Hirano⁵, Toshiko Terakawa⁶, Shinichiro Horikawa⁶, Masahiro Kosuga⁷, Hiroshi Katao⁸, Yoshihisa Iio⁸, Airi Ngaoka⁸, Noriko Tsumura⁹, Tomotake Ueno¹⁰, the Group for the Aftershock Observations of the 2018 Hokkaido Eastern Iburi Earthquake (1. ERI, UTokyo, 2. ISV, Grad. Sch. of Sci., Hokkaido Univ., 3. SEVO, Grad. Sch. of Sci., Kyoshu Univ., 4. RCPEV, Grad. Sch. of Sci. Tohoku Univ., 5. Nansei-Toko Observatory for Earthquakes and Volcanoes, Grad. Sch. of Sci. and Eng., Kagoshima Univ., 6. Earthquake and Volcano Reserach Center, Grad. Sco. of Environ., Nagoya Univ., 7. Earthquake and Volcano Observatory, Grad. Sch. of Sci. and Eng., Hirosaki Univ., 8. DPRI, Kyoto Univ., 9. Department of Earth Sci., Faculty of Sci. Chiba Univ., 10. NIED)

*Dapeng Zhao¹, Tao Gou², Zhouchuan Huang², Liangshu Wang² (1. Graduate School of Science, Tohoku University, 2. School of Earth Sciences and Engineering, Nanjing University)