Earthquake Information for Butte, Alaska

Butte, AK has a very high earthquake risk, with a total of 3,161 earthquakes since 1931. The USGS database shows that there is a 99.96% chance of a major earthquake within 50km of Butte, AK within the next 50 years. The largest earthquake within 30 miles of Butte, AK was a 5.8 Magnitude in 1965.

Risk Level:
Very High
Total Number of Earthquakes in Butte since 1931 within 30 miles
3,161
Probability of A 5.0 Earthquake within next 50 years
99.96%

Earthquake Probability for Butte, AK

View the probability of a major earthquake within the next 50 years in Butte, AK.

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
99.96%
5.1
99.86%
5.2
99.86%
5.2
99.60%
5.3
99.07%
5.4
98.11%
5.5
96.61%
5.6
94.49%
5.7
91.76%
5.8
88.48%
5.9
84.79%
6.0
80.84%
6.1
75.90%
6.2
70.83%
6.3
65.45%
6.4
60.23%
6.5
55.24%
6.6
48.28%
6.7
41.52%
6.8
34.73%
6.9
27.91%
7.0
20.66%
7.1
15.98%
7.2
12.53%
7.3
9.91%
7.4
8.55%
7.5
7.40%
7.6
7.40%
7.7
7.40%
7.8
7.40%
7.9
7.40%
8.0
7.40%
8.1
7.40%
8.2
7.40%
8.3
7.40%
8.4
7.40%
8.5
7.40%
8.6
7.40%
8.7
7.40%
8.8
7.40%
8.9
7.40%
9.0
7.40%
9.1
7.40%
9.2
7.40%