Guilford Earthquake Information

Guilford Earthquake Risk Grade

The USGS database shows that there is a 1.820% chance of a major earthquake within 50 miles of Guilford, Maine within the next 50 years. The largest earthquake within 50 miles of Guilford, Maine was a 3.5 Magnitude in 1983.

Probability of earthquakes within the next 50 years

Within 31 Miles / 50km above magnitude

Magnitude
Probability
5.0
1.820%
5.1
1.472%
5.2
1.472%
5.3
1.191%
5.4
0.965%
5.5
0.782%
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5.6
0.725%
5.7
0.590%
5.8
0.518%
5.9
0.423%
6.0
0.393%
6.1
0.315%
6.2
0.274%
6.3
0.218%
6.4
0.200%
6.5
0.157%
6.6
0.133%
6.7
0.120%
6.8
0.088%
6.9
0.071%
7.0
0.061%
7.1
0.038%
7.2
0.027%
7.3
0.021%
7.4
0.008%
7.5
0.002%
7.6
0.001%
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.