A 4.1-magnitude earthquake in Tennessee woke up families and rattled homes as far away as Atlanta as it spread tremors across portions of the southern U.S. on Saturday morning. No injuries or major damage were immediately reported.

The quake struck south of Greenback, about 30 miles south of Knoxville, just after 9 a.m., according to data from the United States Geological Service.

A mild 4.1 magnitude earthquake about 30 miles south of Knoxville, Tennessee, was felt across the southeastern region of the United States Saturday morning from Chattanooga, Tennessee, to Atlanta, Georgia;