M3.0 earthquake 11 km N of Dacoma, Oklahoma

A magnitude 3.0 earthquake struck 11 km N of Dacoma, Oklahoma on Sun, Aug 2, 2015, 9:43 AM CDT (14:43 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.1 6 km WNW of Medford, 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.

From the USGS event page for us10002xav. U.S. Geological Survey text and figures are in the public domain.

1 person reported to the USGS what they felt; the strongest reported shaking was II, 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 200 in the 60 days after this one and at least 200 in the 30 days before it.

The first 60 of at least 200.

From the USGS Earthquake Hazards Program and its partner networks, event us10002xav. Read Thu, Oct 1, 2026, 4:50 AM UTC.