Micro low-frequency tremor near the Japan Trench before the Tohoku-Oki earthquake
Satoshi Katakami, Graduate School of Science, Kyoto University, Kyoto, Japan, Yoshihiro Ito, Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan, Kazuaki Ohta, National Research Institute for Earth Science and Disaster Resilience, Tsukuba, Japan, Ryota Hino, Tohoku University, Sendai, Japan, Syuichi Suzuki, Tohoku University, Graduate School of Science, Sendai, Japan and Masanao Shinohara, NIED, ERI, The University of Tokyo, Tsukuba, Japan
