Earthquake Information for Casper, Wyoming

Casper, WY has a low earthquake risk, with a total of 5 earthquakes since 1931. The USGS database shows that there is a 3.40% chance of a major earthquake within 50km of Casper, WY within the next 50 years. The largest earthquake within 30 miles of Casper, WY was a 4.2 Magnitude in 1996.

Risk Level:
Low
Total Number of Earthquakes in Casper since 1931 within 30 miles
5
Probability of A 5.0 Earthquake within next 50 years
3.40%

Earthquake Probability for Casper, WY

View the probability of a major earthquake within the next 50 years in Casper, 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
3.40%
5.1
2.75%
5.2
2.75%
5.2
2.75%
5.3
2.21%
5.4
1.78%
5.5
1.44%
5.6
1.33%
5.7
1.07%
5.8
0.93%
5.9
0.75%
6.0
0.69%
6.1
0.53%
6.2
0.44%
6.3
0.32%
6.4
0.28%
6.5
0.19%
6.6
0.14%
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%