Oklahoma earthquakes

M2.6 earthquake 11 km ESE of Chester, Oklahoma

A magnitude 2.6 earthquake struck 11 km ESE of Chester, Oklahoma on Sat, Oct 3, 2015, 6:59 PM CDT (23:59 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.7 3 km SSW of Jet, 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
2.6 (ml), micro
Local time
UTC
2015-10-03 23:59:21 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
36.191° N, 98.797° 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 1.8 km horizontally, 2.0 km in depth
Depth from
Operator assigned
Station coverage gap
166°
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: 169 in the 60 days after this one and 30 in the 30 days before it.

After

The first 60 of 169.

Before

Earthquakes todayOklahoma earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10003xh0. Read Tue, Sep 22, 2026, 8:57 PM UTC.