Earthquake Information for Missoula, Montana

Missoula, MT has a high earthquake risk, with a total of 53 earthquakes since 1931. The USGS database shows that there is a 43.76% chance of a major earthquake within 50km of Missoula, MT within the next 50 years. The largest earthquake within 30 miles of Missoula, MT was a 4.0 Magnitude in 2000.

Risk Level:
High
Total Number of Earthquakes in Missoula since 1931 within 30 miles
53
Probability of A 5.0 Earthquake within next 50 years
43.76%

Earthquake Probability for Missoula, MT

View the probability of a major earthquake within the next 50 years in Missoula, 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
43.76%
5.1
38.27%
5.2
38.27%
5.2
33.30%
5.3
28.85%
5.4
24.94%
5.5
21.51%
5.6
18.55%
5.7
15.99%
5.8
13.81%
5.9
11.95%
6.0
10.37%
6.1
8.81%
6.2
7.49%
6.3
6.27%
6.4
5.14%
6.5
4.03%
6.6
3.06%
6.7
2.31%
6.8
1.70%
6.9
1.19%
7.0
0.71%
7.1
0.64%
7.2
0.52%
7.3
0.38%
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%