M3.4 earthquake 5 km ESE of Red Rock, Oklahoma

A magnitude 3.4 earthquake struck 5 km ESE of Red Rock, Oklahoma on Sat, Dec 12, 2015, 11:40 AM CST (17:40 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.5 12 km W of Renfrow, Oklahoma. This one was a foreshock.

Map

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

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

6 people reported to the USGS what they felt; the strongest reported shaking was III, weak 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: 200 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 200.

From the USGS Earthquake Hazards Program and its partner networks, event us20004grz. Read Tue, Sep 22, 2026, 7:58 AM UTC.