M2.9 earthquake 0 km NE of Valmeyer, Illinois
A magnitude 2.9 earthquake struck 0 km NE of Valmeyer, Illinois on Wed, Dec 28, 1983, 4:30 PM CST (22:30 UTC), 3 km (2 mi) below the surface.
A larger quake followed: M3.0 3 km WSW of Old Appleton, Missouri. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.9 (md), micro
- Local time
- UTC
- 1983-12-28 22:30:07 UTC
- Depth
- 2.8 km (1.7 mi), shallow
- Epicenter
- 38.310° N, 90.270° 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: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.03 km WSW of Old Appleton, Missouri · 15596 days ago · 2 km deep · 92 km away
- 2.33 km SSW of Union, Missouri · 15560 days ago · 5 km deep · 67 km away
- 2.65 km NNE of Bonne Terre, Missouri · 15554 days ago · 18 km deep · 44 km away
Before
Earthquakes todayIllinois earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event nm602102. Read Wed, Sep 23, 2026, 7:20 PM UTC.