Earthquake Information for Rapid City, South Dakota

Rapid City, SD has a very low earthquake risk, with a total of 1 earthquakes since 1931. The USGS database shows that there is a 0.89% chance of a major earthquake within 50km of Rapid City, SD within the next 50 years. The largest earthquake within 30 miles of Rapid City, SD was a 3.7 Magnitude in 1996.

Risk Level:
Very Low
Total Number of Earthquakes in Rapid City, SD since 1931
1

Earthquake Probability for Rapid City, SD

View the probability of a major earthquake within the next 50 years in Rapid City, SD.

Probability of Earthquakes Within the Next 50 Years For Magnitudes Between 5.0 and 9.2
(within 31 km/51 miles above magnitude)

Probability of Earthquakes Within the Next 50 Years

(within 31 km/51 miles above magnitude)
MAGNITUDE
PROBABILITY
5.0
0.89%
5.1
0.72%
5.2
0.72%
5.2
0.72%
5.3
0.58%
5.4
0.46%
5.5
0.37%
5.6
0.34%
5.7
0.27%
5.8
0.24%
5.9
0.19%
6.0
0.17%
6.1
0.13%
6.2
0.11%
6.3
0.08%
6.4
0.07%
6.5
0.05%
6.6
0.03%
6.7
0.03%
6.8
0.01%
6.9
0.01%
7.0
0.00%
7.1
0.00%
7.2
0.00%
7.3
0.00%
7.4
0.00%
7.5
0.00%
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%