M2.5 earthquake 9 km SSE of Byron, Oklahoma

A magnitude 2.5 earthquake struck 9 km SSE of Byron, Oklahoma on Mon, Jul 13, 2015, 8:22 AM CDT (13:22 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M3.5 6 km SSE of Byron, 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 us20002xa0. Read Wed, Sep 23, 2026, 10:15 AM UTC.