Historic Seismicity

Magnitude 2.8 OKLAHOMA
Friday, January 18, 2013 at 23:31:20 UTC

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

Seismicity in 2013
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