Historic Seismicity

Magnitude 7.2 NEAR EAST COAST OF HONSHU, JAPAN
Wednesday, March 09, 2011 at 02:45:18 UTC

Historic Seismicity World Location
Magnitude / Depth Legend
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green


Seismicity in 2011
Magnitude / Depth Legend
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green


Magnitude 7 and Greater Earthquakes
Magnitude / Depth Legend
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green


Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver