The quake hit around 9 a.m. local time, about 13 miles from Greenback, Tennessee, which is about 30 miles south of Knoxville, the U.S. Geological Survey said.

People from all over metro Atlanta — including as far south as Lake Oconee — have called Atlanta News First, saying the quake shook their walls and floors.

An earthquake of 4.1 magnitude has been reported in Tennessee and was felt in Atlanta, Georgia, and western North Carolina.