M3.9 earthquake 3 km N of Harrah, Oklahoma

A magnitude 3.9 earthquake struck 3 km N of Harrah, Oklahoma on Tue, Jul 15, 2014, 4:08 AM CDT (09:08 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.4 12 km SSW of Guthrie, 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.

207 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 170 in the 60 days after this one and 29 in the 30 days before it.

The first 60 of 170.

From the USGS Earthquake Hazards Program and its partner networks, event usb000rt2i. Read Tue, Sep 22, 2026, 2:17 PM UTC.