Arkansas earthquakes

M2.8 earthquake 5 km SSW of Guy, Arkansas

A magnitude 2.8 earthquake struck 5 km SSW of Guy, Arkansas on Fri, Mar 4, 2011, 2:45 AM CST (08:45 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.9 3 km NE of Greenbrier, Arkansas. This one was a foreshock.

Guy forecast More in Arkansas

Map

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

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The earthquake

Magnitude: 2.8 (md), micro
Local time: Fri, Mar 4, 2011, 2:45 AM CST
UTC: 2011-03-04 08:45:12 UTC
Depth: 2.9 km (1.8 mi), shallow
Epicenter: 35.281° N, 92.346° W
Region: Arkansas
Felt reports: 6
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

6 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 0.5 km horizontally, 0.5 km in depth
Magnitude uncertainty: ±0.30
Depth from: From location
Station coverage gap: 68°
Stations used: 18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Arkansas earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nm608588 (also filed as nm030411a, usp000hvax). Read Sun, Sep 27, 2026, 4:30 AM UTC.