Seismic Hazard Map

Magnitude 5.3 COLORADO
Tuesday, August 23, 2011 at 05:46:19 UTC

Seismic Hazard Map World Location
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green

State boundaries in blue; county boundaries in green.

National Seismic Hazard Mapping Project USGS National Seismic Hazard Mapping Project

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