Oklahoma earthquakes

M3.4 earthquake 2 km ESE of Choctaw, Oklahoma

A magnitude 3.4 earthquake struck 2 km ESE of Choctaw, Oklahoma on Tue, May 20, 2014, 2:30 AM CDT (07:30 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M3.5 11 km SSW of Guthrie, Oklahoma. This one was a foreshock.

Choctaw forecastMore in Oklahoma

Map

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

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The earthquake

Magnitude
3.4 (mwr), minor
Local time
UTC
2014-05-20 07:30:18 UTC
Depth
7.5 km (4.6 mi), shallow
Epicenter
35.490° N, 97.246° W
Region
Oklahoma
Felt reports
44
Strongest shaking
IV, light shaking
Tsunami flag
No
Status
Reviewed by a seismologist

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
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

44 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Oblique normal
Moment magnitude
3.4 Mwr
Nodal plane 1
Strike 252°, dip 69°, rake -131°
Nodal plane 2
Strike 140°, dip 45°, rake -30°

How well it is located

Reviewed by a seismologist.

Station coverage gap
59°
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 196 in the 60 days after this one and 3 in the 30 days before it.

After

The first 60 of 196.

Before

Earthquakes todayOklahoma earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usb000qw49. Read Tue, Sep 22, 2026, 3:38 PM UTC.