M3.9 earthquake 9 km NW of Morrison, Oklahoma

A magnitude 3.9 earthquake struck 9 km NW of Morrison, Oklahoma on Thu, Dec 25, 2014, 5:11 PM CST (23:11 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M4.2 5 km NNE of Medford, 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.

8 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 usc000ta04. Read Wed, Sep 23, 2026, 1:01 AM UTC.