Stratford Earthquake Information

Stratford Earthquake Risk Grade

The USGS database shows that there is a 0.318% chance of a major earthquake within 50 miles of Stratford, South Dakota within the next 50 years. The largest earthquake within 50 miles of Stratford, South Dakota was a 0 Magnitude in .

Probability of earthquakes within the next 50 years

Within 31 Miles / 50km above magnitude

Magnitude
Probability
5.0
0.318%
5.1
0.255%
5.2
0.255%
5.3
0.205%
5.4
0.164%
5.5
0.131%
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5.6
0.121%
5.7
0.096%
5.8
0.084%
5.9
0.067%
6.0
0.061%
6.1
0.047%
6.2
0.039%
6.3
0.029%
6.4
0.025%
6.5
0.018%
6.6
0.013%
6.7
0.011%
6.8
0.005%
6.9
0.003%
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.