*Pascal Audet¹, Martha K Savage², Anne Sheehan³, Kimihiro Mochizuki⁴ (1.University of Ottawa, 2.Victoria University of Wellington, 3.University of Colorado at Boulder, 4.University of Tokyo)

*Satoshi Matsumoto¹, Yuta Kawamura¹, Tomomi Okada², Miu Matsuno², Yoshihisa Iio³, Rick Sibson⁴, Martha Savage⁵, Kenny Graham⁵, Manami Suzuki ², Stephen Bannister⁶ (1.Institute of Seismology and Volcanology, Faculty of Sciences, Kyushu University, 2.Graduate of Science, Tohoku University, 3.Disaster Prevention Research Institute, Kyoto University, 4.Department of Geology, University of Otago, 5.Victoria Univesity of Wellington, 6.GNS Science)

*Tatsuya Mizuta¹, Tomomi Okada¹, Martha K Savage², Ryota Takagi¹, Keisuke Yoshida¹, Hiroshi Yakiwara³, Takeshi Matsushima⁴, Hiroshi Katao⁵, Yoshiko Yamanaka⁶, Masahiro Kosuga⁷, Kei Katsumata⁸, Mako Ohzono⁸, Takashi NAKAYAMA¹, Satoshi Hirahara¹, Toshio Kono¹, Toru Matsuzawa¹, Group for the aftershock observations of the 2011 off the Pacific coast of Tohoku Earthquake (1.Tohoku University , 2.Victoria University of Wellington, 3.Kagoshima University, 4.kyushu University, 5.Kyoto University, 6.Nagoya University, 7.Hirosaki University, 8.Hokkaido University)

*Miu Matsuno¹, Tomomi Okada¹, Satoshi Matsumoto², Yuta Kawamura², Yoshihisa Iio³, Tadashi Sato¹, Takashi NAKAYAMA¹, Satoshi Hirahara¹, Stephen C Bannister⁴, John Ristau⁴, Martha K Savage⁵, Clifford Thurber⁶, Rick Sibson⁷ (1.Research Center for Prediction of Earthquakes and Volcanic Eruptions Graduate School of Science, Tohoku University, 2.Institute of Seismology and Volcanology, Faculty of Sciences, Kyushu University, 3.Disater Prevention Research Institute, Kyoto University, 4.GNS Science, Lower Hutt, New Zealand, 5.Victoria University of Wellington, Wellington, New Zealand, 6.University of Wisconsin, Madison, 7.University of Otago, Dunedin, New Zealand )

*Kimihiro Mochizuki¹, Yusuke Yamashita², Martha K Savage³, Emily Warren-Smith⁴, Katie Jacobs³, Laura M Wallace⁴ (1.Earthquake Prediction Research Center, Earthquake Research Institute, University of Tokyo, 2.Disaster Prevention Institute, Kyoto University, 3.Veictoria University of Wellington, 4.GNS Science)

*Yuta Kawamura¹, Satoshi Matsumoto¹, Tomomi Okada², Miu Matsuno², Yoshihisa Iio³, Tadashi Sato², Stephen Bannister⁴, John Ristau⁴, Martha Savage⁵, Clifford Thurber⁶, Richard Sibson⁷ (1.Kyushu University, 2.Tohoku University, 3.Kyoto University, 4.GNS Science, 5.Victoria University of Wellington, 6.University of Wisconsin - Madison, 7.University of Otago)