The U.S. Geological Survey says East Tennessee was struck by three small earthquakes in eight days.

A magnitude 1.0 quake hit near Madisonville on March 25. A magnitude 1.3 quake hit six miles north of Cleveland in Bradley County on March 29.

WVLT-TV reports a 1.0 magnitude quake hit Thursday at 11:02 a.m., about 12 miles southeast of Tellico Plains in the Cherokee National Forest. The epicenter originated 7.6 miles underground from a ridge near Brookshire Creek.

Earthquakes can occur at anytime in the region, which sits on the Eastern Tennessee Seismic Zone.