Opheim Earthquake Information

Opheim Earthquake Risk Grade

The USGS database shows that there is a 0.414% chance of a major earthquake within 50 miles of Opheim, Montana within the next 50 years. The largest earthquake within 50 miles of Opheim, Montana was a 3.9 Magnitude in 1982.

Probability of earthquakes within the next 50 years

Within 31 Miles / 50km above magnitude

Magnitude
Probability
5.0
0.414%
5.1
0.333%
5.2
0.333%
5.3
0.268%
5.4
0.216%
5.5
0.174%
5.6
0.161%
5.7
0.130%
5.8
0.114%
5.9
0.092%
6.0
0.085%
6.1
0.065%
6.2
0.054%
6.3
0.039%
6.4
0.034%
6.5
0.023%
6.6
0.017%
6.7
0.015%
6.8
0.007%
6.9
0.004%
7.0
0.002%
7.1
0.001%
7.2
0.000%
7.3
0.000%
7.4
0.000%
7.5
0.000%
7.6
0.000%
7.7
0.000%
7.8
0.000%
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.