M1.8 earthquake 10 km ESE of Jefferson, Oklahoma

A magnitude 1.8 earthquake struck 10 km ESE of Jefferson, Oklahoma on Mon, Mar 9, 2020, 9:32 PM CDT (02:32 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.1 2 km NNW of Ringwood, Oklahoma. This one was a foreshock.

Map

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

2 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: 123 in the 60 days after this one and 55 in the 30 days before it.

The first 60 of 123.

From the USGS Earthquake Hazards Program and its partner networks, event ok2020ewgt. Read Tue, Sep 22, 2026, 10:25 PM UTC.