Significant Earthquakes of the Mid-Atlantic Region
1568-1989

*Pymatuning earthquake of 1998 added (not included in original data set); see PA Topographic and Geologic Survey for more info.

Map Key:

Label Year Magnitude Label Year Magnitude Label Year Magnitude
1 1774 4.5 15 1898 4.4 29 1954  
2 1783 5.3 16 1898 4.5 30 1957 3.8
3 1828 4.6 17 1899 4.5 31 1957 4
4 1833 4.5 18 1907 4 32 1957 3.7
5 1852 4.8 19 1908   33 1959 3.9
6 1852 4.3 20 1916 5.2 34 1964 4.5
7 1853 4.6 21 1918 4.6 35 1966 4.7
8 1861 5 22 1919   36 1967 4.4
9 1871   23 1926   37 1969 4.6
10 1875 4.8 24 1929 5.2 38 1975 3.2
11 1889 3.9 25 1929 3.7 39 1976 3.3
12 1895 4.1 26 1938 3.3 40 1981 3.5
13 1897 4.3 27 1954   41 1984 4.2
14 1897 5.6 28 1954   42 1998 5.2

Data provided by National Earthquake Information Center (USGS)

View source data