There are 168 earthquake incidents in South Carolina on record since 1931. The state averages 2 earthquakes per year. The largest earthquake on record for South Carolina occurred on 11/22/1974, with a depth of 18.0 miles and a magnitude of 4.7 on the Richter scale in Charleston County, SC.
Yearly Average Number of Earthquakes in South Carolina
Total Number of Earthquakes in South Carolina since 1931