M1.6 earthquake 9 km ESE of Dover, Oklahoma

A magnitude 1.6 earthquake struck 9 km ESE of Dover, Oklahoma on Sun, Feb 1, 2026, 10:26 PM CST (04:26 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.6 7 km ENE of Calumet, Oklahoma. This one was a foreshock.

Map

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

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
1.56	ML, local (Richter)	Oklahoma Geological Survey	Preferred · Confirmed · ±0.22 · 31 stations
1.8	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.071 · 26 stations

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: 115 in the 60 days after this one and 37 in the 30 days before it.

The first 60 of 115.

From the USGS Earthquake Hazards Program and its partner networks, event ok2026cgux (also filed as us7000s3re). Read Thu, Oct 1, 2026, 9:59 PM UTC.