Griswold, CT has a low earthquake risk, with a total of 15 earthquakes since 1931. The USGS database shows that there is a 1.31% chance of a major earthquake within 50km of Griswold, CT within the next 50 years. The largest earthquake within 30 miles of Griswold, CT was a 3.3 Magnitude in 2015.
View the probability of a major earthquake within the next 50 years in Griswold, CT.
View the number of earthquake incidents in Griswold, CT by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Griswold, CT within 30 miles. All distances and depths in the table are measured in miles.