Merrimack, NH has a low earthquake risk, with a total of 39 earthquakes since 1931. The USGS database shows that there is a 2.57% chance of a major earthquake within 50km of Merrimack, NH within the next 50 years. The largest earthquake within 30 miles of Merrimack, NH was a 3.2 Magnitude in 1977.
View the probability of a major earthquake within the next 50 years in Merrimack, NH.
View the number of earthquake incidents in Merrimack, NH by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Merrimack, NH within 30 miles. All distances and depths in the table are measured in miles.