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Magnitude 3.2 Seismic Event in Illinois
A magnitude 3.2 seismic event struck Illinois on November 4, 2013 at 18:35:34 UTC.

A magnitude 3.2 seismic event struck Illinois on November 4, 2013 at 18:35:34 UTC.

A magnitude 3.2 seismic event struck Illinois on November 4, 2013 at 18:35:34 UTC.

USGS scientists have concluded that the event was a rockburst (a release of tectonic strain at shallow depth) near an active quarry.

The epicenter of this event occurred in a southwest suburb of Chicago, about 15 miles from the downtown city center.

Visit the USGS event page for updated information.

Read additional earthquake information for Illinois.

If you felt this event, report your experience on the “USGS Did You Feel It?” website.

Learn more about the USGS Earthquake Hazards Program.

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Page Last Modified: February 2, 2011