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;

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.

Residents in the Southeast are bracing for potential aftershocks a day after a 4.1 magnitude earthquake outside of Knoxville, Tennessee rattled homes and business.