Arkansas earthquakes

M2.4 earthquake 5 km W of Dell, Arkansas

A magnitude 2.4 earthquake struck 5 km W of Dell, Arkansas on Tue, Sep 27, 2011, 6:51 PM CDT (23:51 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M2.5 8 km N of Dyersburg, Tennessee. This one was a foreshock.

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Map

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

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The earthquake

Magnitude: 2.4 (Md, duration), micro
Magnitude from: NM
Local time: Tue, Sep 27, 2011, 6:51 PM CDT
UTC: 2011-09-27 23:51:32 UTC
Depth: 9.0 km (5.6 mi), shallow
Epicenter: 35.854° N, 90.101° W
Region: Arkansas
Felt reports: 5
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
2.4	Md, duration	NM	Preferred · Reviewed · ±0.184 · 6 stations
2.4	Md, duration	USGS National Earthquake Information Center	Reviewed

What happened

The USGS’s account of the effects of this earthquake.

Felt at Pocahontas.

From the USGS event page for nm609020. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

5 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 0.4 km horizontally, 0.7 km in depth
Magnitude uncertainty: ±0.18
Depth from: From location
Station coverage gap: 79°
Stations used: 27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 10 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 nm609020 (also filed as nm092711b, usp000j8nj). Read Thu, Oct 1, 2026, 2:17 PM UTC.