M2.7 earthquake 8 km SSE of Byron, Oklahoma

A magnitude 2.7 earthquake struck 8 km SSE of Byron, Oklahoma on Sun, Dec 6, 2015, 6:14 PM CST (00:14 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.4 17 km SE of Waynoka, 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: 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 us100044ip. Read Tue, Sep 22, 2026, 5:01 AM UTC.