*Grigorii Viktorovich Nechaev^1,2, Nikolai Shestakov^1,2, Nikolai Titkov³, Hiroaki Takahashi⁴, Mako Ohzono⁵, Victor Pupatenko⁶, Evgenii Lialiushko² (1.Institute for Applied Mathematics FEB RAS, Vladivostok, Russia, 2.Far Eastern Federal University, Vladivostok, Russia, 3.Kamchatka branch of FRC Unified Geophysical Service RAS, Petropavlovsk-Kamchatskiy, Russia, 4.Institute of Seismology and Volcanology, Hokkaido University, Sapporo, Japan, 5.Earthquake Research Institute, University of Tokyo, Tokyo, Japan, 6.Institute of Tectonics and Geophysics FEB RAS, Khabarovsk, Russia)

Tatsuya Mizuta¹, *Tomomi Okada¹, Martha Savage², Ryota Takagi¹, Keisuke Yoshida¹, Shinichi Sakai³, Kei Katsumata⁴, Mako Ohzono^4,3, Masahiro Kosuga⁵, Takuto Maeda⁵, Yoshiko Yamanaka⁶, Hiroshi Katao⁷, Takeshi Matsushima⁸, Hiroshi Yakiwara⁹, Takashi NAKAYAMA¹, Satoshi Hirahara¹, Toshio Kono¹, 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.Victoria University of Wellington, 3.ERI, University of Tokyo, 4.Hokkaido University, 5.Hirosaki University , 6.Nagoya University, 7.DPRI, Kyoto University, 8.Kyushu University, 9.Kagoshima University)

*Angela Meneses-Gutierrez^1,2, Takeshi Sagiya^1,3, Satoshi Miura⁴, Mako Ohzono^5,6 (1.Disaster Mitigation Research Center, Nagoya University, 2.Institute for Advanced Research, Nagoya University, 3.Graduate School of Environmental Studies, Nagoya University, 4.Graduate School of Science, Tohoku University, 5.Earthquake Research Institute, The University of Tokyo, 6.Faculty of Science, Hokkaido University)

*Kazunari Nawa¹, Yuichi Imanishi², Hiroshi Ikeda³, Ryo Honda⁴, Daisuke Oka⁵, Tatsuo Shirakawa⁶, Takuma Oi⁷, Hiroaki Takahashi⁸, Mako Ohzono⁸, Hiroshi Aoyama⁸, Kazumi Okada⁸, Teruhiro Yamaguchi⁸ (1.National Institute of Advanced Industrial Science and Technology, 2.ERI, Univ. Tokyo, 3.KEK, 4.MFRI, 5.HRO, 6.Kitami Inst. Tech., 7.Toho Mercantile Co., 8.Hokkaido Univ.)