Historic Seismicity

Magnitude 5.3 TONGA REGION
Tuesday, November 23, 2010 at 20:23:07 UTC

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

Seismicity in 2010
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