Seismic Hazard Map
Magnitude 3.3 OKLAHOMA CITY URBAN AREA, OKLAHOMA
Friday, March 22, 2013 at 17:19:18 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
