M3.6 earthquake 7 km ENE of Hennessey, Oklahoma

A magnitude 3.6 earthquake struck 7 km ENE of Hennessey, Oklahoma on Fri, Mar 24, 2017, 11:55 AM CDT (16:55 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.8 4 km ENE of Pond Creek, 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.

7 people reported to the USGS what they felt; the strongest reported shaking was IV, light 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: 166 in the 60 days after this one and 33 in the 30 days before it.

The first 60 of 166.

From the USGS Earthquake Hazards Program and its partner networks, event us20008ucq. Read Wed, Sep 23, 2026, 5:04 AM UTC.