Synonyms
Deaggregation; Deterministic seismic hazard analysis; Ground motion prediction equations; Hazard curve; Hazard spectra; Probabilistic seismic hazard analysis, PSHA; Seismic hazard
Introduction
This entry provides an overview of probabilistic seismic hazard modeling, which has provided fundamental input to the engineering, planning, insurance sectors, and other fields for over 30 years. In essence probabilistic seismic hazard modeling uses the location, size, and occurrence rate of earthquakes to estimate the frequency or probability of damaging or potentially damaging earthquake motions that may occur at a site. By taking into account the frequency of earthquakes as well as the magnitude, the method captures the contribution to seismic hazard from all relevant earthquakes, from the frequent moderate earthquakes (magnitude 5 ≤ M < 7) to the infrequent large to great earthquakes (M ≥ 7).
The following sections summarize the history and fundamental steps of probabilistic...
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Mieler, D.H., Goded, T., Stirling, M. (2015). Probabilistic Seismic Hazard Models. In: Beer, M., Kougioumtzoglou, I.A., Patelli, E., Au, SK. (eds) Encyclopedia of Earthquake Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-35344-4_354
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