Middlefield, CT has a low earthquake risk, with a total of 12 earthquakes since 1931. The USGS database shows that there is a 1.54% chance of a major earthquake within 50km of Middlefield, CT within the next 50 years. The largest earthquake within 30 miles of Middlefield, CT was a 3.8 Magnitude in 1981.
View the probability of a major earthquake within the next 50 years in Middlefield, CT.
View the number of earthquake incidents in Middlefield, CT by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Middlefield, CT within 30 miles. All distances and depths in the table are measured in miles.