Earthquake Information for Townsend, Montana

Townsend, MT has a high earthquake risk, with a total of 274 earthquakes since 1931. The USGS database shows that there is a 71.76% chance of a major earthquake within 50km of Townsend, MT within the next 50 years. The largest earthquake within 30 miles of Townsend, MT was a 4.6 Magnitude in 1977.

Risk Level:
High
Total Number of Earthquakes in Townsend since 1931 within 30 miles
274
Probability of A 5.0 Earthquake within next 50 years
71.76%

Earthquake Probability for Townsend, MT

View the probability of a major earthquake within the next 50 years in Townsend, 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
71.76%
5.1
65.11%
5.2
65.11%
5.2
58.40%
5.3
51.83%
5.4
45.59%
5.5
39.79%
5.6
34.50%
5.7
29.74%
5.8
25.53%
5.9
21.83%
6.0
18.61%
6.1
15.51%
6.2
12.84%
6.3
10.54%
6.4
8.56%
6.5
6.82%
6.6
5.12%
6.7
3.64%
6.8
2.28%
6.9
1.07%
7.0
0.11%
7.1
0.04%
7.2
0.01%
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%