M2.5 earthquake 3 km SW of Medford, Oklahoma

A magnitude 2.5 earthquake struck 3 km SW of Medford, Oklahoma on Sun, Jan 11, 2015, 9:27 PM CST (03:27 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.3 3 km S of Byron, Oklahoma. This one was a foreshock.

Map

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

No one has reported feeling this quake to the USGS.

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 usc000teup. Read Tue, Sep 22, 2026, 7:46 PM UTC.