Oklahoma earthquakes

M3.1 earthquake 4 km NNE of Helena, Oklahoma

A magnitude 3.1 earthquake struck 4 km NNE of Helena, Oklahoma on Tue, Nov 18, 2014, 10:06 PM CST (04:06 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.4 8 km WNW of Medford, Oklahoma. This one was a foreshock.

Helena 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
3.1 (ml), minor
Local time
UTC
2014-11-19 04:06:50 UTC
Depth
6.2 km (3.8 mi), shallow
Epicenter
36.590° N, 98.256° W
Region
Oklahoma
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

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

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 2.3 km horizontally, 6.8 km in depth
Station coverage gap
98°
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: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usc000syrn. Read Tue, Sep 22, 2026, 8:52 PM UTC.