Empirical Prediction of Strong Ground Motion

by David M. Boore, U.S. Geological Survey, Menlo Park, United States,
William B. Joyner, U.S. Geological Survey, Menlo Park, United States,

Document Type: Proceeding Paper

Part of: Structural Engineering in Natural Hazards Mitigation


In 1982, we published equations for the prediction of various measures of ground motion as a function of earthquake magnitude, distance from the earthquake rupture, and site geology. Many more strong-motion recordings have been obtained since we published our equations. The predictions of the ground motions from our published equations are in reasonable agreement with the peak accelerations from the new data. The increased number of data, however, allow us to refine our predictions for some regions of magnitude and distance space, and perhaps for other variables.

Subject Headings: Ground motion | Earthquakes | Geology | Equations of motion | Regression analysis | Empirical equations | Earthquake magnitude scale

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