Niantic Earthquake Information

Niantic Earthquake Risk Grade

The USGS database shows that there is a 1.166% chance of a major earthquake within 50 miles of Niantic, Connecticut within the next 50 years. The largest earthquake within 50 miles of Niantic, Connecticut was a 3.8 Magnitude in 1981.

Probability of earthquakes within the next 50 years

Within 31 Miles / 50km above magnitude

Magnitude
Probability
5.0
1.166%
5.1
0.946%
5.2
0.946%
5.3
0.769%
5.4
0.626%
5.5
0.512%
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5.6
0.475%
5.7
0.390%
5.8
0.345%
5.9
0.286%
6.0
0.267%
6.1
0.215%
6.2
0.187%
6.3
0.149%
6.4
0.137%
6.5
0.107%
6.6
0.091%
6.7
0.083%
6.8
0.061%
6.9
0.049%
7.0
0.042%
7.1
0.027%
7.2
0.019%
7.3
0.014%
7.4
0.006%
7.5
0.001%
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.