M3.3 earthquake 6 km SE of Marshall, Oklahoma

A magnitude 3.3 earthquake struck 6 km SE of Marshall, Oklahoma on Sat, Apr 4, 2015, 12:02 AM CDT (05:02 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.5 11 km W of Jefferson, Oklahoma. This one was a foreshock.

Map

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

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak 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: 200 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 200.

From the USGS Earthquake Hazards Program and its partner networks, event us10001tuv. Read Tue, Sep 22, 2026, 2:51 PM UTC.