There are 321 earthquake incidents in Tennessee on record since 1931. The state averages 4 earthquakes per year. The largest earthquake on record for Tennessee occurred on 11/30/1973, with a depth of 3.0 miles and a magnitude of 4.7 on the Richter scale in Blount County, TN.
Yearly Average Number of Earthquakes in Tennessee
Total Number of Earthquakes in Tennessee since 1931