Sullivans Island, SC has a moderate earthquake risk, with a total of 69 earthquakes since 1931. The USGS database shows that there is a 11.03% chance of a major earthquake within 50km of Sullivans Island, SC within the next 50 years. The largest earthquake within 30 miles of Sullivans Island, SC was a 4.7 Magnitude in 1974.
View the probability of a major earthquake within the next 50 years in Sullivans Island, SC.
View the number of earthquake incidents in Sullivans Island, SC by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Sullivans Island, SC within 30 miles. All distances and depths in the table are measured in miles.