M2.8 earthquake 4 km ESE of Tryon, Oklahoma

A magnitude 2.8 earthquake struck 4 km ESE of Tryon, Oklahoma on Tue, Dec 8, 2015, 12:01 AM CST (06:01 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.2 9 km NE of Marshall, 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 IV, light 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 us1000451l. Read Tue, Sep 22, 2026, 7:57 PM UTC.