Identifying spatiotemporal migration patterns of non-volcanic tremors using hidden Markov models

Jiancang Zhuang, Institute of Statistical Mathematics, Tokyo, Japan, Ting Wang, University of Otago, Dunedin, New Zealand, Kazushige Obara, The University of Tokyo, Earthquake Research Institute, Tokyo, Japan and Hiroshi Tsuruoka, University of Tokyo, Bunkyo-ku, Japan