Colchester, CT has a low earthquake risk, with a total of 15 earthquakes since 1931. The USGS database shows that there is a 1.38% chance of a major earthquake within 50km of Colchester, CT within the next 50 years. The largest earthquake within 30 miles of Colchester, CT was a 3.3 Magnitude in 2015.
View the probability of a major earthquake within the next 50 years in Colchester, CT.
View the number of earthquake incidents in Colchester, CT by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Colchester, CT within 30 miles. All distances and depths in the table are measured in miles.