M2.5 earthquake 6 km S of Byron, Oklahoma

A magnitude 2.5 earthquake struck 6 km S of Byron, Oklahoma on Sat, Mar 19, 2016, 4:43 PM CDT (21:43 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.8 6 km NNW of Hunter, Oklahoma. This one was a foreshock.

Map

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

No one has reported feeling this quake to the USGS.

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 us20005b3z. Read Mon, Sep 21, 2026, 10:13 PM UTC.