Illinois earthquakes

M2.5 earthquake 4 km S of Marissa, Illinois

A magnitude 2.5 earthquake struck 4 km S of Marissa, Illinois on Thu, Aug 22, 1974, 5:33 PM CDT (22:33 UTC), 5 km (3 mi) below the surface.

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The earthquake

Magnitude
2.5 (mlg), micro
Local time
UTC
1974-08-22 22:33:59 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
38.210° N, 89.750° W
Region
Illinois
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from
From location

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 5 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nm600052 (also filed as usp00007qz). Read Tue, Sep 22, 2026, 8:57 PM UTC.