A 4.1 magnitude earthquake struck near Greenback, Tennessee, on Saturday morning, with tremors felt as far away as Atlanta and western North Carolina. The U.S. Geological Survey initially recorded the quake at 3.5 before revising it, receiving over 23,000 public reports in the first hour; fortunately, there were no significant injuries or damage reported. The Eastern Tennessee seismic zone is known for its activity, and experts noted a 5% chance of aftershocks, emphasizing the importance of earthquake preparedness in the region.