Oklahoma earthquakes

M2.6 earthquake 3 km SSE of Harrah, Oklahoma

A magnitude 2.6 earthquake struck 3 km SSE of Harrah, Oklahoma on Thu, Oct 1, 2015, 8:15 PM CDT (01:15 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.1 6 km NW of Morrison, Oklahoma. This one was a foreshock.

Harrah 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
2.6 (ml), micro
Local time
UTC
2015-10-02 01:15:05 UTC
Depth
6.5 km (4.0 mi), shallow
Epicenter
35.455° N, 97.151° 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 3.0 km horizontally, 7.6 km in depth
Station coverage gap
93°
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: 145 in the 60 days after this one and 54 in the 30 days before it.

After

The first 60 of 145.

Before

Earthquakes todayOklahoma earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10003xiw. Read Tue, Sep 22, 2026, 4:04 PM UTC.