Oklahoma earthquakes

M3.6 earthquake 8 km SSE of Sparks, Oklahoma

A magnitude 3.6 earthquake struck 8 km SSE of Sparks, Oklahoma on Sun, Nov 6, 2011, 4:52 AM CST (10:52 UTC), 3 km (2 mi) below the surface.

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

Prague 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
3.6 (mwr), minor
Local time
UTC
2011-11-06 10:52:35 UTC
Depth
3.1 km (1.9 mi), shallow
Epicenter
35.537° N, 96.779° W
Region
Oklahoma
Felt reports
268
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

268 people reported to the USGS what they felt; the strongest reported shaking was V, moderate 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
Strike-slip
Nodal plane 1
Strike 232°, dip 80°, rake -170°
Nodal plane 2
Strike 140°, dip 80°, rake -10°

How well it is located

Reviewed by a seismologist.

Station coverage gap
34°
Stations used
62

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 66 in the 60 days after this one and 29 in the 30 days before it.

After

The first 60 of 66.

Before

Earthquakes todayOklahoma earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000jaex (also filed as usb0006krn). Read Tue, Sep 22, 2026, 9:37 AM UTC.