Earthquake Information for Bigfork, Montana

Bigfork, MT has a very high earthquake risk, with a total of 164 earthquakes since 1931. The USGS database shows that there is a 80.17% chance of a major earthquake within 50km of Bigfork, MT within the next 50 years. The largest earthquake within 30 miles of Bigfork, MT was a 4.6 Magnitude in 1975.

Risk Level:
Very High
Total Number of Earthquakes in Bigfork since 1931 within 30 miles
164
Probability of A 5.0 Earthquake within next 50 years
80.17%

Earthquake Probability for Bigfork, MT

View the probability of a major earthquake within the next 50 years in Bigfork, 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
80.17%
5.1
74.01%
5.2
74.01%
5.2
67.45%
5.3
60.76%
5.4
54.15%
5.5
47.82%
5.6
41.89%
5.7
36.44%
5.8
31.53%
5.9
27.16%
6.0
23.30%
6.1
19.63%
6.2
16.44%
6.3
13.57%
6.4
11.11%
6.5
8.94%
6.6
6.90%
6.7
5.12%
6.8
3.53%
6.9
2.14%
7.0
0.94%
7.1
0.77%
7.2
0.57%
7.3
0.44%
7.4
0.21%
7.5
0.09%
7.6
0.03%
7.7
0.01%
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%