There are 1 earthquake incidents in Delaware on record since 1931. The state averages less than 1 earthquake per year. The largest earthquake on record for Delaware occurred on 01/19/1984, with a depth of 5.0 miles and a magnitude of 2.4 on the Richter scale in New Castle County, DE.
Yearly Average Number of Earthquakes in Delaware
Total Number of Earthquakes in Delaware since 1931