M3.7 earthquake 7 km SW of Trumann, Arkansas
A magnitude 3.7 earthquake struck 7 km SW of Trumann, Arkansas on Sat, Feb 23, 2013, 4:28 PM CST (22:28 UTC), 14 km (9 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.7 (Mw, moment), minor
- Magnitude from
- NM
- Local time
- UTC
- 2013-02-23 22:28:38 UTC
- Depth
- 14.1 km (8.8 mi), shallow
- Epicenter
- 35.626° N, 90.560° W
- Region
- Arkansas
- Felt reports
- 176
- Strongest shaking
- IV, light shaking
- 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 |
|---|---|---|---|
| 3.7 | Mw, moment | NM | Preferred · Reviewed · ±0.057 · 1 stations |
| 3.6 | Mw, moment | NM | Reviewed · ±0.2 · 20 stations |
| 3.7 | Mwr, regional moment | USGS National Earthquake Information Center | Reviewed |
What happened
The USGS’s account of the effects of this earthquake.
Felt (IV) at Bay, Harrisburg, Marked Tree and Trumann; (III) at Jonesboro and Tyronza; (II) at Lake City, Lepanto and Monette. Felt (II) at Memphis, Tennessee. Felt in much of northeastern Arkansas and in parts of Mississippi, Missouri and Tennessee.
From the USGS event page for nm609799. U.S. Geological Survey text and figures are in the public domain.
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Map
- Automatic
Did you feel it?
176 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Strike-slip
- Nodal plane 1
- Strike 231°, dip 85°, rake 165°
- Nodal plane 2
- Strike 322°, dip 75°, rake 5°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 0.3 km horizontally, 0.4 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 80°
- Stations used
- 30
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.56 km SW of Trumann, Arkansas · 4971 days ago · 12 km deep · 1 km away · felt by 7
- 2.06 km SW of Trumann, Arkansas · 4971 days ago · 12 km deep · 1 km away
- 2.69 km ENE of Steele, Missouri · 4964 days ago · 6 km deep · 92 km away · felt by 3
- 2.05 km N of Black Rock, Arkansas · 4962 days ago · 14 km deep · 77 km away
- 1.74 km WNW of Marked Tree, Arkansas · 4962 days ago · 0 km deep · 12 km away
- 2.36 km SW of Trumann, Arkansas · 4957 days ago · 12 km deep · 0 km away
- 2.34 km SSW of Caruthersville, Missouri · 4940 days ago · 6 km deep · 99 km away
Before
- 2.65 km SSE of Manila, Arkansas · 4975 days ago · 16 km deep · 44 km away · felt by 8
- 1.86 km SSW of Gosnell, Arkansas · 4986 days ago · 4 km deep · 60 km away
- 2.27 km ENE of Steele, Missouri · 4997 days ago · 8 km deep · 90 km away
- 2.15 km ENE of College City, Arkansas · 4997 days ago · 10 km deep · 64 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event nm609799 (also filed as nm022313d, usc000fccb). Read Mon, Oct 5, 2026, 1:28 PM UTC.