*Ayaka Tagami¹, 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 H Thurber⁶, Richard H 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 Science, Kyushu University, 3.Disaster Prevention Research Institute, Kyoto University, 4.GNS Science, New Zealand, 5.Victoria University of Wellington, New Zealand, 6.University of Wisconsin - Madison, United States of America, 7.University of Otago, New Zealand)

*Wiebke Heise¹, Charles Williams¹, Peter McGavin¹, Grant Caldwell¹, Edward Bertrand¹, Stephen C Bannister¹, Yoshiya Usui², Geoff Kilgour³ (1.GNS Science, PO Box 30368, Lower Hutt, New Zealand, 2.Earthquake Research Institute, the University of Tokyo, Tokyo, Japan, 3.GNS Science, Wairakei Research Centre, PB 2000, Taupo, New Zealand)