Earthquake Information for Charleston, South Carolina

Charleston, SC has a moderate earthquake risk, with a total of 72 earthquakes since 1931. The USGS database shows that there is a 11.97% chance of a major earthquake within 50km of Charleston, SC within the next 50 years. The largest earthquake within 30 miles of Charleston, SC was a 4.7 Magnitude in 1974.

Risk Level:
Moderate
Total Number of Earthquakes in Charleston since 1931 within 50 miles
72
Probability of A 5.0 Earthquake within next 50 years
11.97%

Earthquake Probability for Charleston, SC

View the probability of a major earthquake within the next 50 years in Charleston, SC.

Probability of Earthquakes Within the Next 50 Years For Magnitudes Between 5.0 and 9.2
(within 31 km/51 miles above magnitude)
MAGNITUDE
PROBABILITY
5.0
11.97%
5.1
10.75%
5.2
10.75%
5.2
10.75%
5.3
9.76%
5.4
8.95%
5.5
8.30%
5.6
8.09%
5.7
7.61%
5.8
7.35%
5.9
7.00%
6.0
6.89%
6.1
6.60%
6.2
6.45%
6.3
6.23%
6.4
6.17%
6.5
6.00%
6.6
5.92%
6.7
5.87%
6.8
5.76%
6.9
4.83%
7.0
4.79%
7.1
3.66%
7.2
3.62%
7.3
3.60%
7.4
0.93%
7.5
0.01%
7.6
0.00%
7.7
0.00%
7.8
0.00%
7.9
0.00%
8.0
0.00%
8.1
0.00%
8.2
0.00%
8.3
0.00%
8.4
0.00%
8.5
0.00%
8.6
0.00%
8.7
0.00%
8.8
0.00%
8.9
0.00%
9.0
0.00%
9.1
0.00%
9.2
0.00%