Chatham, NH has a low earthquake risk, with a total of 12 earthquakes since 1931. The USGS database shows that there is a 3.21% chance of a major earthquake within 50km of Chatham, NH within the next 50 years. The largest earthquake within 30 miles of Chatham, NH was a 3.9 Magnitude in 1988.
View the probability of a major earthquake within the next 50 years in Chatham, NH.
View the number of earthquake incidents in Chatham, NH by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Chatham, NH within 30 miles. All distances and depths in the table are measured in miles.