Spatial-temporal and Seismogram Characteristics of Foreshock and Aftershock Activities for Tsunami Earthquakes

Yifeng Liu1, Yoshihiro Ito2, Kazuaki Ohta2 and Satoshi Katakami1, (1)Graduate School of Science, Kyoto University, Kyoto, Japan, (2)Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan