M2.6 earthquake 7 km W of Jefferson, Oklahoma

A magnitude 2.6 earthquake struck 7 km W of Jefferson, Oklahoma on Thu, Mar 5, 2015, 6:04 AM CST (12:04 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.3 10 km SE of Marshall, 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 us10001l3k. Read Tue, Sep 22, 2026, 4:14 PM UTC.