M2.9 earthquake 8 km ESE of Jefferson, Oklahoma

A magnitude 2.9 earthquake struck 8 km ESE of Jefferson, Oklahoma on Tue, Aug 25, 2015, 4:03 AM CDT (09:03 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.4 17 km SE of Waynoka, 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 us100034p9. Read Wed, Sep 23, 2026, 8:38 AM UTC.