仙台地震 Sendai earthquake s largest ever earthquake states by the US Geological Survey suggest the earthquake hat struck japan on 11 March 2011 was magnitude 9.0 TRENCH OCEAN AMERICAN C7L3352 PLATE Scientific and Technical Translation SUBDUCTION ICCEANICCRUST EURASIAI Special Session NAGOYA仙 台 地 震 Sendai Earthquake CTL3352 Scientific and Technical Translation Special Session