Earthquake Information for Lake County, Montana

Lake County, MT has a very high earthquake risk, with a total of 45 earthquakes since 1931. The USGS database shows that there is a 80.01% chance of a major earthquake within 50km of Lake County, MT within the next 50 years. The largest earthquake within 30 miles of Lake County, MT was a 4.4 Magnitude in 1975.

Risk Level:
Very High
Total Number of Earthquakes in Lake County since 1931
45
Probability of A 5.0 Earthquake within next 50 years
80.01%

Earthquake Probability for Lake County, MT

View the probability of a major earthquake within the next 50 years in Lake County, 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
80.01%
5.1
73.93%
5.2
73.93%
5.2
67.49%
5.3
60.94%
5.4
54.49%
5.5
48.33%
5.6
42.57%
5.7
37.30%
5.8
32.54%
5.9
28.31%
6.0
24.59%
6.1
20.79%
6.2
17.48%
6.3
14.51%
6.4
11.86%
6.5
9.45%
6.6
7.14%
6.7
5.22%
6.8
3.58%
6.9
2.19%
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%