Seismic Hazard Map
Magnitude 4.4 OKLAHOMA
Wednesday, October 13, 2010 at 14:06:30 UTC
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green
State boundaries in blue; county boundaries in green.
USGS National Seismic Hazard Mapping Project
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
