Earthquake Information for Sweetwater County, Wyoming

Sweetwater County, WY has a low earthquake risk, with a total of 34 earthquakes since 1931. The USGS database shows that there is a 3.72% chance of a major earthquake within 50km of Sweetwater County, WY within the next 50 years. The largest earthquake within 30 miles of Sweetwater County, WY was a 3.7 Magnitude in 1975.

Risk Level:
Low
Total Number of Earthquakes in Sweetwater County since 1931
34
Probability of A 5.0 Earthquake within next 50 years
3.72%

Earthquake Probability for Sweetwater County, WY

View the probability of a major earthquake within the next 50 years in Sweetwater County, WY.

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
3.72%
5.1
3.00%
5.2
3.00%
5.2
3.00%
5.3
2.41%
5.4
1.94%
5.5
1.55%
5.6
1.43%
5.7
1.15%
5.8
1.00%
5.9
0.80%
6.0
0.73%
6.1
0.56%
6.2
0.47%
6.3
0.34%
6.4
0.30%
6.5
0.20%
6.6
0.15%
6.7
0.12%
6.8
0.06%
6.9
0.03%
7.0
0.02%
7.1
0.01%
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%