Earthquake Information for Butte, Montana

Butte, MT has a high earthquake risk, with a total of 447 earthquakes since 1931. The USGS database shows that there is a 41.46% chance of a major earthquake within 50km of Butte, MT within the next 50 years. The largest earthquake within 30 miles of Butte, MT was a 4.3 Magnitude in 1998.

Risk Level:
High
Total Number of Earthquakes in Butte since 1931 within 30 miles
447
Probability of A 5.0 Earthquake within next 50 years
41.46%

Earthquake Probability for Butte, MT

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

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
41.46%
5.1
36.03%
5.2
36.03%
5.2
31.13%
5.3
26.77%
5.4
22.93%
5.5
19.59%
5.6
16.70%
5.7
14.22%
5.8
12.09%
5.9
10.29%
6.0
8.76%
6.1
7.27%
6.2
6.01%
6.3
4.87%
6.4
3.85%
6.5
2.94%
6.6
2.16%
6.7
1.53%
6.8
0.95%
6.9
0.46%
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%