South Windsor Earthquake Information

South Windsor Earthquake Risk Grade

The USGS database shows that there is a 1.310% chance of a major earthquake within 50 miles of South Windsor, Connecticut within the next 50 years. The largest earthquake within 50 miles of South Windsor, 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
1.310%
5.1
1.062%
5.2
1.062%
5.3
0.862%
5.4
0.701%
5.5
0.571%
5.6
0.530%
5.7
0.434%
5.8
0.383%
5.9
0.316%
6.0
0.294%
6.1
0.236%
6.2
0.205%
6.3
0.162%
6.4
0.149%
6.5
0.117%
6.6
0.099%
6.7
0.090%
6.8
0.066%
6.9
0.053%
7.0
0.046%
7.1
0.029%
7.2
0.020%
7.3
0.015%
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.