Oklahoma earthquakes

M1.9 earthquake Oklahoma

A magnitude 1.9 earthquake struck in Oklahoma on Wed, Aug 12, 2015, 3:54 AM CDT (08:54 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.9 4 km NNE of Coyle, Oklahoma. 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
1.9 (ml), micro
Local time
UTC
2015-08-12 08:54:40 UTC
Depth
7.6 km (4.7 mi), shallow
Epicenter
35.750° N, 97.388° W
Region
Oklahoma
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.9 km horizontally, 3.0 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
68°
Stations used
28

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 us100031qa. Read Tue, Sep 22, 2026, 1:40 PM UTC.