M3.1 earthquake 9 km NW of Dacoma, Oklahoma

A magnitude 3.1 earthquake struck 9 km NW of Dacoma, Oklahoma on Sun, May 31, 2015, 3:18 PM CDT (20:18 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.6 2 km WNW of Aline, Oklahoma. This one was a foreshock.

Map

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

No one has reported feeling this quake to the USGS.

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 us20002l14. Read Tue, Sep 22, 2026, 11:22 PM UTC.