Earthquakes in Illinois

Live seismic activity data from USGS

About Illinois

Southern Illinois lies near the New Madrid Seismic Zone. The region experiences small earthquakes regularly and faces risk from larger events on this fault system.

Major Faults:

Seismic Activity in Illinois

Southern Illinois lies near the New Madrid Seismic Zone. The region experiences small earthquakes regularly and faces risk from larger events on this fault system.

Illinois has a Moderate seismic risk level based on historical earthquake data and proximity to active fault lines.

Frequently Asked Questions

How many earthquakes occur in Illinois?

The number of earthquakes varies based on seismic activity in the area. Check the stats above for current data.

Is Illinois at risk for earthquakes?

Illinois has a moderate seismic risk level. Southern Illinois lies near the New Madrid Seismic Zone. The region experiences small earthquakes regularly and faces risk from larger events on this fault system.

How can I prepare for earthquakes in Illinois?

Residents should secure heavy furniture, create an emergency kit with supplies for 72 hours, develop a family communication plan, and practice "Drop, Cover, and Hold On" during earthquake drills. Visit our preparedness section for detailed guides.