Link to USGS home page.
Earthquake Hazards Program

Magnitude 5.2 ILLINOIS

Friday, April 18, 2008 at 09:37:00 UTC

Seismic Hazard Map

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

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