Illinois earthquakes

M3.3 earthquake 1 km ESE of Broughton, Illinois

A magnitude 3.3 earthquake struck 1 km ESE of Broughton, Illinois on Wed, Mar 12, 1980, 8:23 PM CST (02:23 UTC), 19 km (12 mi) below the surface.

Norris City forecastMore in Illinois

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
3.3 (md), minor
Local time
UTC
1980-03-13 02:23:13 UTC
Depth
18.7 km (11.6 mi), shallow
Epicenter
37.930° N, 88.450° 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: 2 in the 60 days after this one and 0 in the 30 days before it.

After

Earthquakes todayIllinois earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nm601166 (also filed as usp00015zk). Read Mon, Sep 28, 2026, 7:04 PM UTC.