St. Thomas Earthquake Information

St. Thomas Earthquake Risk Grade

The USGS database shows that there is a 0.459% chance of a major earthquake within 50 miles of St. Thomas, North Dakota within the next 50 years. The largest earthquake within 50 miles of St. Thomas, North Dakota was a 0 Magnitude in .

Probability of earthquakes within the next 50 years

Within 31 Miles / 50km above magnitude

Magnitude
Probability
5.0
0.459%
5.1
0.369%
5.2
0.369%
5.3
0.297%
5.4
0.239%
5.5
0.193%
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5.6
0.178%
5.7
0.143%
5.8
0.125%
5.9
0.101%
6.0
0.093%
6.1
0.070%
6.2
0.058%
6.3
0.043%
6.4
0.038%
6.5
0.026%
6.6
0.019%
6.7
0.016%
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.