United States earthquakes, 1974

United States Earthquakes, 1974 contains descriptions of all earthquakes that were felt or caused damage in the U.S. and nearby territories during the year. Each description includes pertinent instrumental data (date, origin time, geographic location, and depth, when available), a brief account of the area affected, and reported effects on people and inanimate objects. Earthquakes are listed chronologically in 11 regions, an arrangement selected principally to highlight natural seismic divisions. The regions are: 1) Northeastern, which includes New England and the State of New York; 2) Eastern, which includes the central Appalachian Mountains area and the region around Charleston, S.C.; 3) Central, which encompasses the area between the Eastern Region and the Rocky Mountains; 4) Western Mountain, which includes all remaining States except those on the West Coast; 5) California and Western Nevada; 6) Washington and Oregon; 7) Alaska; 8) Hawaii; 9) Panama Canal Zone; 10) Puerto Rico; and 11) Virgin Islands.