M3.5 earthquake 5 km N of Dover, Oklahoma

A magnitude 3.5 earthquake struck 5 km N of Dover, Oklahoma on Sun, Feb 11, 2018, 5:40 AM CST (11:40 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.7 3 km NE of Arcadia, 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.

14 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: 105 in the 60 days after this one and 49 in the 30 days before it.

The first 60 of 105.

From the USGS Earthquake Hazards Program and its partner networks, event us2000d0is. Read Wed, Sep 23, 2026, 6:52 AM UTC.