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NATIONAL GEOPHYSICAL COMPANY, 2345 W. MOCKINGBIRD LANE, DALLAS, TEXAS
Abstract
A method is presented for the display of earth particle trajectories in three dimensional space against a linear time scale. Several idealized trajectories are illustrated, and the distinctive patterns exhibited by various wave types are shown. The trajectory displays of portions of two strong-motion seismograms recorded near an underground nuclear explosion are exhibited and discussed.
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