M3.9 earthquake 19 km W of Cleo Springs, Oklahoma

A magnitude 3.9 earthquake struck 19 km W of Cleo Springs, Oklahoma on Mon, Jun 8, 2015, 8:20 AM CDT (13:20 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M4.4 7 km SSE of Byron, 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 IV, light 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 126 in the 30 days before it.

The first 60 of at least 200.

From the USGS Earthquake Hazards Program and its partner networks, event us20002mx0. Read Wed, Sep 30, 2026, 1:16 AM UTC.