【東北・太平洋沿岸地震】想定の９０倍規模「日本海溝のほぼ全域が同時に壊れた」/地震速報【東北地方太平洋沖地震】
Seismology
NASA - NASA/University Japan Quake Study Yields Surprises
Quake exceeded TEPCO's "once in 10,000 years" scenario
Scientists: Stuck seamount may have caused mega-quake
Seismologist calls for review of Japan's quake approach
Dec. 7 quake: larger aftershocks possible
2011 quake sparked new study, rethink of seismic theory