Seismic Activity in Illinois
Illinois has a Moderate seismic risk level based on historical earthquake data and proximity to active fault lines.
Over the past 30 days, there have been 0 recorded earthquakes in this region.
Earthquakes in Illinois
0 earthquakes in the last 24 hours
Earthquake Map
Recent Earthquakes (Last 30 Days)
No earthquakes recorded in this area for the selected time period.
Earthquake Statistics
Last 24 Hours0
Last 30 Days0
2026 (M2.5+)2
Largest in 2026
M3.8
4 km NW of Ohlman, Illinois
2026-01-20
Seismic Risk Level
Moderate
Data from USGS Earthquake Hazards Program. Updated every 5 minutes.
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:
Illinois Earthquakes 2026
In 2026, Illinois has recorded 2 earthquakes of magnitude 2.5 or greater so far. The largest earthquake in Illinois in 2026 was a magnitude 3.8 event near Ohlman, Illinois.
Frequently Asked Questions
How many earthquakes occur in Illinois?
In the past 30 days, 0 earthquakes have been recorded in the Illinois region.
Nearby States
Indiana
Indiana experiences occasional small earthquakes, primarily in the southern part...
Wisconsin
Wisconsin has very low seismic activity. The state sits on stable ancient bedroc...
Iowa
Iowa has very low seismic activity. The state occasionally experiences minor ear...
Missouri
The New Madrid Seismic Zone crosses southeastern Missouri, making it vulnerable ...