Very low frequency earthquakes in Tohoku-Oki recorded by short-period ocean bottom seismographs

Hidenobu Takahashi1, Ryota Hino1, Yusaku Ohta2, Naoki Uchida1, Syuichi Suzuki1, Masanao Shinohara3, Yukihiro Nakatani4 and Takanori Matsuzawa5, (1)Tohoku University, Graduate School of Science, Sendai, Japan, (2)Tohoku University, Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Sendai, Japan, (3)National Research Institute for Earth Science and Disaster Resilience/Earthquake Research Institute, The University of Tokyo, Tokyo, Japan, (4)Earthquake Research Institute, The University of Tokyo, Tokyo, Japan, (5)International Institute of Seismology and Earthquake Engineering,Building Research Institute, Ibaraki, Japan