Fairfield Earthquake Information

Fairfield Earthquake Risk Grade

The USGS database shows that there is a 11.657% chance of a major earthquake within 50 miles of Fairfield, Montana within the next 50 years. The largest earthquake within 50 miles of Fairfield, Montana was a 4.2 Magnitude in 1983.

Probability of earthquakes within the next 50 years

Within 31 Miles / 50km above magnitude

Magnitude
Probability
5.0
11.657%
5.1
9.820%
5.2
8.316%
5.3
6.994%
5.4
5.881%
5.5
4.946%
Click To View More Magnitudes
5.6
4.180%
5.7
3.521%
5.8
2.977%
5.9
2.516%
6.0
2.140%
6.1
1.762%
6.2
1.451%
6.3
1.168%
6.4
0.938%
6.5
0.729%
6.6
0.552%
6.7
0.399%
6.8
0.250%
6.9
0.123%
7.0
0.001%
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.