A 4.1 magnitude earthquake struck near Greenback, Tennessee, about 30 miles southwest of Knoxville, on Saturday, May 10th, 2025, at 9:04 a.m. EDT, according to the U.S. Geological Survey (USGS).
The quake, initially reported as 3.5 magnitude, was felt across the Southeast, including Atlanta, Georgia, and parts of North Carolina, South Carolina, Alabama, Kentucky, and Virginia.
Over 40,000 public reports were submitted to the USGS within the first hour, indicating light shaking but no significant damage or injuries. The quake occurred at a shallow depth of approximately 15 miles in the Eastern Tennessee Seismic Zone, one of the most active seismic areas in the Southeast.
There’s a 5% chance of a magnitude 4 or larger aftershock in the next week, and a 23% chance of a magnitude 3 or higher aftershock, though experts note these are unlikely to cause damage.
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