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Unformatted text preview: Seismographs are instruments used to detect these seismic waves and produce a seismogram —a record of seismic wave motions obtained at a specific recording station Body waves P-waves : P for primary, because they travel fastest and arrive at seismographs first They are compressional, or “push-pull” waves S-waves : S for secondary, because they travel more slowly and arrive at seismographs after the P-waves They are perpendicular, shear, or “side-to-side” waves Surface waves: Travel along Earth’s surface Love waves (L-waves) : Surface waves with side-to-side motions Rayleigh waves : Surface waves with elliptical motions...
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This note was uploaded on 09/20/2009 for the course GEOL 105 taught by Professor Platt,davis during the Spring '08 term at USC.
- Spring '08