M3.4 earthquake 9 km WNW of Dacoma, Oklahoma

A magnitude 3.4 earthquake struck 9 km WNW of Dacoma, Oklahoma on Mon, Jun 27, 2016, 10:25 PM CDT (03:25 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.5 17 km SE of Waynoka, 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.

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak 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: 195 in the 60 days after this one and 4 in the 30 days before it.

The first 60 of 195.

From the USGS Earthquake Hazards Program and its partner networks, event us200067ec. Read Mon, Sep 21, 2026, 10:14 PM UTC.