M3.3 earthquake 8 km WNW of Jefferson, Oklahoma

A magnitude 3.3 earthquake struck 8 km WNW of Jefferson, Oklahoma on Mon, Oct 20, 2014, 7:46 PM CDT (00:46 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.5 7 km SW of Deer Creek, Oklahoma. This one was a foreshock.

Map

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

5 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 usb000spch. Read Tue, Sep 22, 2026, 10:45 AM UTC.