M3.4 earthquake 9 km W of Lamont, Oklahoma

A magnitude 3.4 earthquake struck 9 km W of Lamont, Oklahoma on Tue, Aug 13, 2019, 2:40 PM CDT (19:40 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.5 17 km SE of Waynoka, 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.

15 people reported to the USGS what they felt; the strongest reported shaking was V, moderate 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: 121 in the 60 days after this one and 71 in the 30 days before it.

The first 60 of 121.

From the USGS Earthquake Hazards Program and its partner networks, event ok2019putq (also filed as us600054nv). Read Wed, Sep 23, 2026, 4:51 AM UTC.