South Dennis, MA has a low earthquake risk, with a total of 4 earthquakes since 1931. The USGS database shows that there is a 1.08% chance of a major earthquake within 50km of South Dennis, MA within the next 50 years. The largest earthquake within 30 miles of South Dennis, MA was a 3.1 Magnitude in 1977.
View the probability of a major earthquake within the next 50 years in South Dennis, MA.
View the number of earthquake incidents in South Dennis, MA by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in South Dennis, MA within 30 miles. All distances and depths in the table are measured in miles.