Earthquake Hazards Program
A seismic wave is an elastic wave generated by an impulse such as an earthquake or an explosion. Seismic waves may travel either along or near the earth's surface (Rayleigh and Love waves) or through the earth's interior (P and S waves).
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U.S. Department of the Interior | U.S. Geological Survey
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Page Last Modified: July 24, 2012 17:12:00 UTC