Middletown Earthquake Information

Middletown Earthquake Risk Grade

The USGS database shows that there is a 1.472% chance of a major earthquake within 50 miles of Middletown, Connecticut within the next 50 years. The largest earthquake within 50 miles of Middletown, 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
1.472%
5.1
1.194%
5.2
1.194%
5.3
0.969%
5.4
0.789%
5.5
0.644%
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5.6
0.598%
5.7
0.490%
5.8
0.433%
5.9
0.357%
6.0
0.333%
6.1
0.267%
6.2
0.232%
6.3
0.184%
6.4
0.168%
6.5
0.131%
6.6
0.111%
6.7
0.101%
6.8
0.075%
6.9
0.060%
7.0
0.052%
7.1
0.033%
7.2
0.023%
7.3
0.017%
7.4
0.007%
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.