M3.6 earthquake 5 km SW of Byron, Oklahoma

A magnitude 3.6 earthquake struck 5 km SW of Byron, Oklahoma on Tue, Nov 18, 2014, 10:16 AM CST (16:16 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.0 6 km NE of Hunter, Oklahoma. This one was a foreshock.

Map

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

The USGS’s account of the effects of this earthquake.

Felt at Cherokee, Oklahoma City, Ponca City and Stillwater.

From the USGS event page for usc000syi4. U.S. Geological Survey text and figures are in the public domain.

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

6 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: at least 201 in the 60 days after this one and at least 200 in the 30 days before it.

The first 60 of at least 201.

From the USGS Earthquake Hazards Program and its partner networks, event usc000syi4. Read Thu, Oct 1, 2026, 9:58 AM UTC.