M3.6 earthquake 9 km W of Jefferson, Oklahoma

A magnitude 3.6 earthquake struck 9 km W of Jefferson, Oklahoma on Wed, Jun 18, 2014, 2:11 PM CDT (19:11 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.9 8 km W of Jefferson, 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.

9 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.

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 usc000rhka. Read Tue, Sep 22, 2026, 4:21 PM UTC.