An earthquake shook east Tennessee on Saturday morning that was felt in four states.
The U.S. Geological Survey initially measured the quake at 4.1 on the Richter Scale. It was centered near Greenback, Tennessee at 8:05 a.m..
People reported shaking in Chattanooga and across three other states, including Asheville, North Carolina and Greenville, South Carolina to the east, and even some 120 miles away in Atlanta to the south and Knoxville to the north…