Earthquake Information for Ravalli, Montana

Ravalli, MT has a high earthquake risk, with a total of 122 earthquakes since 1931. The USGS database shows that there is a 63.06% chance of a major earthquake within 50km of Ravalli, MT within the next 50 years. The largest earthquake within 30 miles of Ravalli, MT was a 4.4 Magnitude in 1975.

Risk Level:
High
Total Number of Earthquakes in Ravalli since 1931 within 30 miles
122
Probability of A 5.0 Earthquake within next 50 years
63.06%

Earthquake Probability for Ravalli, MT

View the probability of a major earthquake within the next 50 years in Ravalli, 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
63.06%
5.1
56.57%
5.2
56.57%
5.2
50.31%
5.3
44.42%
5.4
38.99%
5.5
34.07%
5.6
29.68%
5.7
25.81%
5.8
22.43%
5.9
19.49%
6.0
16.97%
6.1
14.42%
6.2
12.24%
6.3
10.30%
6.4
8.54%
6.5
6.89%
6.6
5.30%
6.7
3.98%
6.8
2.83%
6.9
1.83%
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%