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Seismic Hazard Model for Loss Estimation and Risk Management in United States

Proceedings of the 6th International Conference on Seismic Zonation, Nov. 12–15, 2000, Palm Springs, CA, Earthquake Engineering Research Institute, Oakland, CA

ABSTRACT

In order to provide risk managers and engineers with a model that they can use to estimate earthquake losses and manage earthquake risk for their U.S. properties, we have developed a seismic hazard model that integrates all available tectonic, seismicity, and seismic hazard information nationwide. The seismotectonic component has as its foundation the U.S. seismic hazard model developed and published jointly by the USGS and the CDMG in 1996. This model was revised to include more recent seismotectonic information and more detailed source models for California, the Cascadia subduction zone (CSZ), the New Madrid fault zone, and the Wabash Valley seismic zone. In addition, conditional probability adjustments were made to the CSZ and to major faults in California to account for the elapsed time since the last major earthquake on these sources.

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