M2.3 earthquake 3 km SSW of Union, Missouri
A magnitude 2.3 earthquake struck 3 km SSW of Union, Missouri on Thu, Feb 16, 1984, 6:41 AM CST (12:41 UTC), 5 km (3 mi) below the surface.
A larger quake followed: M2.6 5 km NNE of Bonne Terre, Missouri. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.3 (Md, duration), micro
- Magnitude from
- NM
- Local time
- UTC
- 1984-02-16 12:41:49 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 38.420° N, 91.030° W
- Region
- Missouri
- 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 todayMissouri earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event nm602249. Read Sat, Oct 3, 2026, 6:40 AM UTC.