M3.3 earthquake 5 km SW of Luther, Oklahoma

A magnitude 3.3 earthquake struck 5 km SW of Luther, Oklahoma on Mon, Sep 12, 2011, 10:35 AM CDT (15:35 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M5.7 8 km NW of Prague, Oklahoma. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

The USGS’s account of the effects of this earthquake.

Felt (III) at Jones and Luther. Also felt at Arcadia, Broken Arrow, Cushing, Harrah, Newalla, Norman, Oklahoma City, Purcell and Spencer.

From the USGS event page for usp000j7ys. U.S. Geological Survey text and figures are in the public domain.

29 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 56 in the 60 days after this one and 12 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event usp000j7ys. Read Thu, Oct 1, 2026, 4:39 AM UTC.