There are 75 earthquake incidents in New Hampshire on record since 1931. The state averages 1 earthquakes per year. The largest earthquake on record for New Hampshire occurred on 01/19/1982, with a depth of 8.0 miles and a magnitude of 4.5 on the Richter scale in Belknap County, NH.
Yearly Average Number of Earthquakes in New Hampshire
Total Number of Earthquakes in New Hampshire since 1931