*Shigeki HORIUCHI¹, Yuko HORIUCHI¹, Yoshihisa IIO², Youichiro TAKADA², Yoshihiro SAWADA³, Shutaro SEKINE³, Takashi NAKAYAMA⁴, Satoshi HIRAHARA⁴, Toshio KONO⁴, Jyunichi NAKAJIMA⁴, Tomomi OKADA⁴, Norihito UMINO⁴, Akira HASEGAWA⁴, Kazushige OBARA⁵, Aitaro KATO⁵, Masaru NAKANO⁶, Takeshi NAKAMURA⁶, Narumi TAKAHASHI⁶ (1.Home Seismometer Corporation, 2.Disaster Prevention Research Institute Kyoto University, 3.Association for the Development of Earthquake Prediction, 4.Research Center for Prediction of Earthquake and Volcanic Eruptions, 5.Earthquake Research Institute, The University of Tokyo, 6.Japan Agency for Marine-Earth Science and Technology)

*Norishige HATAKEYAMA¹, Naoki UCHIDA¹, Toru MATSUZAWA¹, Tomomi OKADA¹, Junichi NAKAJIMA¹, Takeshi MATSUSHIMA², Toshio KONO¹, Satoshi HIRAHARA¹, Takashi NAKAYAMA¹, TOHOKU-EQ, Group for the aftershock observations ³ (1.Graduate School of Science, Tohoku University, 2.Faculty of Sciences, Kyushu University, 3.Group for the aftershock observations of the 2011 Tohoku Earthquake)

*Norishige HATAKEYAMA¹, Naoki UCHIDA¹, Toru MATSUZAWA¹, Tomomi OKADA¹, Junichi NAKAJIMA¹, Takeshi MATSUSHIMA², Toshio KONO¹, Satoshi HIRAHARA¹, Takashi NAKAYAMA¹, TOHOKU-EQ, Group for the aftershock observations ³ (1.Graduate School of Science, Tohoku University, 2.Faculty of Sciences, Kyushu University, 3.Group for the aftershock observations of the 2011 Tohoku Earthquake)

*Masahiro ICHIKI¹, Yasuo OGAWA², Toshiki KAIDA¹, Tomotsugu DEMACHI¹, Satoshi HIRAHARA¹, Yoshimori HONKURA², Hiroshi ICHIHARA³, Wataru KANDA², Toshio KONO¹, Takao KOYAMA⁴, Masaki MATSUSHIMA⁵, Takashi NAKAYAMA¹, Shu'ichi SUZUKI¹, Hiroaki TOH⁶, Makoto UYESHIMA⁴ (1.Grad. School of Sci., Tohoku University, 2.VFRC, Tokyo Institute of Technology, 3.IFREE, JAMSTEC, 4.ERI, The University of Tokyo, 5.Grad. School of Sci. & Eng., Tokyo Tech, 6.Grad. School of Sci., Kyoto University)

*Tomoki TSUTSUI¹, Iguchi MASATO², Harushisa NAKAMICHI², Takeshi TAMEGURI², Hiroshi YAKIWARA³, Takao OHMINATO⁴, Akira SUGAI⁵, Hiromitsu OSHIMA⁶, Satoshi MIURA⁷, Mare YAMAMOTO⁷, Masahiro ICHIKI⁷, Kenji NOGAMI⁸, Minoru TAKEO⁴, Mie ICHIHARA⁴, Jun OIKAWA⁴, Yoshiko YAMANAKA⁹, Takahiro OHKURA², Yuki ABE², Hiroshi SHIMIZU¹⁰, Yusuke YAMASHITA¹⁰, Hiroki MIYAMACHI³, Reiji KOBAYASHI³, Daisuke MIKI², Keigo YAMAMOTO², Tokumitsu MAEKAWA⁶, Satoshi HIRAHARA⁷, Watanabe ATSUSHI⁴, Takashi OKUDA⁹, Shinichiro HORIKAWA⁹, Kenjiro MATSUHIRO⁹ (1.Akita University, 2.Kyoto University, 3.Kagoshima University, 4.University of Tokyo, 5.Japan Meteorological Agency, 6.Hokkaido University, 7.Tohoku University, 8.Tokyo Institute of Technology, 9.Nagoya University, 10.Kyushu University)

*Haruhisa NAKAMICHI¹, Tomoki TSUTSUI², Takeshi TAMEGURI¹, Masato IGUCHI¹, Hiroshi YAKIWARA³, Takao OHMINATO⁴, Akira SUGAI⁵, Hiromitsu OSHIMA⁶, Satoshi MIURA⁷, Mare YAMAMOTO⁷, Masahiro ICHIKI⁷, Kenji NOGAMI⁸, Minoru TAKEO⁴, Mie ICHIHARA⁴, Jun OIKAWA⁴, Yoshiko YAMANAKA⁹, Takahiro OHKURA¹, Yuki ABE¹, Hiroshi SHIMIZU¹⁰, Yusuke YAMASHITA¹⁰, Hiroki MIYAMACHI³, Reiji KOBAYASHI³, Daisuke MIKI¹, Keigo YAMAMOTO¹, Tokumitsu MAEKAWA⁶, Satoshi HIRAHARA⁷, Atsushi WATANABE⁴, Takashi OKUDA⁹, Shinichiro HORIKAWA⁹, Kenjiro MATSUHIRO⁹ (1.Kyoto University, 2.Akita University, 3.Kagoshima University, 4.University of Tokyo, 5.Japan Meteorological Agency, 6.Hokkaido University, 7.Tohoku University, 8.Tokyo Institute of Technology, 9.Nagoya University, 10.Kyushu University)

*Tomoki TSUTSUI¹, Iguchi MASATO², Harushisa NAKAMICHI², Takeshi TAMEGURI², Hiroshi YAKIWARA³, Takao OHMINATO⁴, Akira SUGAI⁵, Hiromitsu OSHIMA⁶, Satoshi MIURA⁷, Mare YAMAMOTO⁷, Masahiro ICHIKI⁷, Kenji NOGAMI⁸, Minoru TAKEO⁴, Mie ICHIHARA⁴, Jun OIKAWA⁴, Yoshiko YAMANAKA⁹, Takahiro OHKURA², Yuki ABE², Hiroshi SHIMIZU¹⁰, Yusuke YAMASHITA¹⁰, Hiroki MIYAMACHI³, Reiji KOBAYASHI³, Daisuke MIKI², Keigo YAMAMOTO², Tokumitsu MAEKAWA⁶, Satoshi HIRAHARA⁷, Watanabe ATSUSHI⁴, Takashi OKUDA⁹, Shinichiro HORIKAWA⁹, Kenjiro MATSUHIRO, Tadaomi SONODA, Kenjiro SEKI, Shin YOSHIKAWA, Shuichiro HIRANO, Yukihiro WATANABE, Yuji USUI, Tsukasa KOBAYASHI, Keiji IKEDA, Shinya NAGATO, Tomoyuki KOEDA (1.Akita University, 2.Kyoto University, 3.Kagoshima University, 4.University of Tokyo, 5.Japan Meteorological Agency, 6.Hokkaido University, 7.Tohoku University, 8.Tokyo Institute of Technology, 9.Nagoya University, 10.Kyushu University)

*Haruhisa NAKAMICHI¹, Tomoki TSUTSUI², Takeshi TAMEGURI¹, Masato IGUCHI¹, Hiroshi YAKIWARA³, Takao OHMINATO⁴, Akira SUGAI⁵, Hiromitsu OSHIMA⁶, Satoshi MIURA⁷, Mare YAMAMOTO⁷, Masahiro ICHIKI⁷, Kenji NOGAMI⁸, Minoru TAKEO⁴, Mie ICHIHARA⁴, Jun OIKAWA⁴, Yoshiko YAMANAKA⁹, Takahiro OHKURA¹, Yuki ABE¹, Hiroshi SHIMIZU¹⁰, Yusuke YAMASHITA¹⁰, Hiroki MIYAMACHI³, Reiji KOBAYASHI³, Daisuke MIKI¹, Keigo YAMAMOTO¹, Tokumitsu MAEKAWA⁶, Satoshi HIRAHARA⁷, Atsushi WATANABE⁴, Takashi OKUDA⁹, Shinichiro HORIKAWA⁹, Kenjiro MATSUHIRO, Tadaomi SONODA, Kenjiro SEKI, Shin YOSHIKAWA, Shuichiro HIRANO, Yukihiro WATANABE, Yuji USUI, Tsukasa KOBAYASHI, Keiji IKEDA, Shinya NAGATO, Tomoyuki KOEDA (1.Kyoto University, 2.Akita University, 3.Kagoshima University, 4.University of Tokyo, 5.Japan Meteorological Agency, 6.Hokkaido University, 7.Tohoku University, 8.Tokyo Institute of Technology, 9.Nagoya University, 10.Kyushu University)

*Takashi NAKAYAMA¹, Satoshi HIRAHARA¹, Toshio KONO¹, Junichi NAKAJIMA¹, Tomomi OKADA¹, Norihito UMINO¹, Akira HASEGAWA¹, Shigeki HORIUCHI², Yuko HORIUCHI² (1.Graduate School of Science, Tohoku University, 2.Home Seismometer Corporation)

*Takashi NAKAYAMA¹, Satoshi HIRAHARA¹, Toshio KONO¹, Junichi NAKAJIMA¹, Tomomi OKADA¹, Norihito UMINO¹, Akira HASEGAWA¹, Shigeki HORIUCHI², Yuko HORIUCHI² (1.Graduate School of Science, Tohoku University, 2.Home Seismometer Corporation)