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Earthquake Information for Connecticut

There are 21 earthquake incidents in Connecticut on record since 1931. The state averages less than 1 earthquake per year. The largest earthquake on record for Connecticut occurred on 10/21/1981, with a depth of 5.6 miles and a magnitude of 3.8 on the Richter scale in New Haven County, CT.

Yearly Average Number of Earthquakes in Connecticut

0

Total Number of Earthquakes in Connecticut since 1931

21

Counties With The Highest Risk Of Earthquakes

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No Earthquakes reported

Windham County, CT Probability: 1.261%

Tolland County, CT Probability: 1.278%

New London County, CT Probability: 1.290%

Hartford County, CT Probability: 1.381%

Middlesex County, CT Probability: 1.393%

Litchfield County, CT Probability: 1.417%

New Haven County, CT Probability: 1.534%

Fairfield County, CT Probability: 2.576%

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Connecticut Counties With The Most Earthquakes

Earthquake Count for Connecticut

View the number of earthquake incidents in Connecticut by year.

Earthquake Information for Connecticut

Connecticut Counties With The Most Earthquakes

Earthquakes in Connecticut By Year Since 1931

earthquake report by city

Related Pages

Connecticut Earthquake by county