M2.5 earthquake 6 km E of Byron, Oklahoma

A magnitude 2.5 earthquake struck 6 km E of Byron, Oklahoma on Sat, Mar 11, 2017, 7:00 PM CST (01:00 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.9 10 km ESE of Jefferson, 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 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: 183 in the 60 days after this one and 16 in the 30 days before it.

The first 60 of 183.

From the USGS Earthquake Hazards Program and its partner networks, event us100088g7. Read Tue, Sep 22, 2026, 8:00 AM UTC.