Seismic-hazard maps for the conterminous United States

Frankel, Arthur D.; Petersen, Mark D.; Mueller, Charles S.; Haller, Kathleen M.; Wheeler, Russell L.; Leyendecker, E. V.; Wesson, Robert L.; Harmsen, Stephen C.; Cramer, Chris H.; Perkins,  David M.; Rukstales, Kenneth S.

Abstract:

This publication consists of six map sheets (titles and text included in this document, below), geospatial datasets, and metadata. The geospatial datasets consist of ArcInfo export files for the seismic-hazard point and polygon data shown on the sheets. Probabilistic seismic-hazard maps were prepared for the conterminous United States portraying peak horizontal acceleration and horizontal spectral response acceleration for 0.2- and 1.0-second periods with probabilities of exceedance of 10 percent in 50 years and 2 percent in 50 years. All of the maps were prepared by combining the hazard derived from spatially smoothed historic seismicity with the hazard from fault-specific sources. The acceleration values contoured are the random horizontal component. The reference site condition is firm rock, defined as having an average shear-wave velocity of 760 m/sec in the top 30 meters corresponding to the boundary between NEHRP (National Earthquake Hazards Reduction program) site classes B and C. This data set represents the results of calculations of hazard curves for a grid of points with a spacing of 0.05 degrees in latitude and longitude. The points were contoured to produce the final representation of the seismic hazard.

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USGS Numbered Series

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70650

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Frankel, Arthur D.; Petersen, Mark D.; Mueller, Charles S.; Haller, Kathleen M.; Wheeler, Russell L.; Leyendecker, E. V.; Wesson, Robert L.; Harmsen, Stephen C.; Cramer, Chris H.; Perkins, David M.; Rukstales, Kenneth S.

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Version 1.0

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ENGLISH

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5 p. : 6 map sheets (col.)

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Scientific Investigations Map

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SIM

Citation Series Number:

2883

Citation Search Results Text:

Seismic-hazard maps for the conterminous United States; 2005; SIM; 2883; Frankel, Arthur D.; Petersen, Mark D.; Mueller, Charles S.; Haller, Kathleen M.; Wheeler, Russell L.; Leyendecker, E. V.; Wesson, Robert L.; Harmsen, Stephen C.; Cramer, Chris H.; Perkins, David M.; Rukstales, Kenneth S.