Arkansas earthquakes

M2.5 earthquake 6 km NE of Guy, Arkansas

A magnitude 2.5 earthquake struck 6 km NE of Guy, Arkansas on Tue, Dec 20, 2011, 10:55 AM CST (16:55 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M2.7 4 km WSW of Quitman, Arkansas. This one was a foreshock.

Guy forecast More in Arkansas

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

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The earthquake

Magnitude: 2.5 (md), micro
Local time: Tue, Dec 20, 2011, 10:55 AM CST
UTC: 2011-12-20 16:55:31 UTC
Depth: 5.5 km (3.4 mi), shallow
Epicenter: 35.367° N, 92.285° W
Region: Arkansas
Felt reports: 3
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

3 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 1.0 km horizontally, 1.3 km in depth
Magnitude uncertainty: ±0.11
Depth from: From location
Station coverage gap: 79°
Stations used: 12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 12 in the 30 days before it.

After

Before

Earthquakes today Arkansas earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nm609153 (also filed as nm122011a, usp000jcen). Read Mon, Sep 28, 2026, 4:29 PM UTC.