M2.7 earthquake 4 km NE of Walnut Hill, Illinois
A magnitude 2.7 earthquake struck 4 km NE of Walnut Hill, Illinois on Sat, Oct 12, 1985, 1:43 AM CDT (06:43 UTC), 5 km (3 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.7 (md), micro
- Local time
- UTC
- 1985-10-12 06:43:42 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 38.510° N, 89.010° 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 1 in the 30 days before it.
After
Before
Earthquakes todayIllinois earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event nm602645. Read Wed, Sep 30, 2026, 4:48 PM UTC.