Activity history of giant earthquakes bring crustal movements and huge tsunamis -A case of the 2011 off the Pacific coast of Tohoku Earthquake (M 9)-

Tsuyoshi Haraguchi, Osaka City University, Osaka, Japan, Shoichi Shimoyma, Saga University, Institute of Lowland and Marine Research, Saga, Japan, Toshiro Yamanaka, Okayama University, Okayama, Japan, Yuichi Yoshinaga, DPGI, Kagoshima City, Japan and Tomoyuki Takahashi, Kansai University, Osaka, Japan