M3.7 earthquake 1 km ENE of Quinton, Oklahoma

A magnitude 3.7 earthquake struck 1 km ENE of Quinton, Oklahoma on Sun, Aug 18, 2019, 4:07 AM CDT (09:07 UTC), 6 km (4 mi) below the surface.

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
3.71	Mwr, regional moment	Oklahoma Geological Survey	Preferred · Confirmed · 40 stations
3.7	Mwr, regional moment	USGS National Earthquake Information Center	Reviewed · ±0.044 · 49 stations

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

113 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 43 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ok2019qdcg (also filed as us600056ng). Read Thu, Oct 1, 2026, 11:33 PM UTC.