M3.6 earthquake 16 km SE of Waynoka, Oklahoma

A magnitude 3.6 earthquake struck 16 km SE of Waynoka, Oklahoma on Thu, Dec 17, 2015, 10:09 PM CST (04:09 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.1 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 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 us1000482a. Read Tue, Sep 22, 2026, 8:57 PM UTC.