Arlee Earthquake Information

Arlee Earthquake Risk Grade

The USGS database shows that there is a 57.998% chance of a major earthquake within 50 miles of Arlee, Montana within the next 50 years. The largest earthquake within 50 miles of Arlee, Montana was a 4.9 Magnitude in 1978.

Probability of earthquakes within the next 50 years

Within 31 Miles / 50km above magnitude

Magnitude
Probability
5.0
57.998%
5.1
51.682%
5.2
45.711%
5.3
40.186%
5.4
35.164%
5.5
30.668%
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5.6
26.691%
5.7
23.211%
5.8
20.190%
5.9
17.587%
6.0
15.358%
6.1
13.047%
6.2
11.077%
6.3
9.306%
6.4
7.694%
6.5
6.180%
6.6
4.757%
6.7
3.598%
6.8
2.592%
6.9
1.723%
7.0
0.931%
7.1
0.769%
7.2
0.572%
7.3
0.437%
7.4
0.208%
7.5
0.094%
7.6
0.032%
7.7
0.008%
7.8
0.001%
7.9
0.000%
8.0
0.000%
8.1
0.000%
8.2
0.000%
8.3
0.000%
8.4
0.000%
8.5
0.000%
8.6
0.000%
8.7
0.000%
8.8
0.000%
8.9
0.000%
9.0
0.000%
9.1
0.000%
9.2
0.000%

Historical Earthquake Data (Within 50 Miles)

All distances and depths in the table below are measured in miles.