Old Greenwich, CT has a low earthquake risk, with a total of 27 earthquakes since 1931. The USGS database shows that there is a 3.23% chance of a major earthquake within 50km of Old Greenwich, CT within the next 50 years. The largest earthquake within 30 miles of Old Greenwich, CT was a 3.6 Magnitude in 1985.
View the probability of a major earthquake within the next 50 years in Old Greenwich, CT.
View the number of earthquake incidents in Old Greenwich, CT by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Old Greenwich, CT within 30 miles. All distances and depths in the table are measured in miles.