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Seismic Hazards of the US
Entry ID: Seismic_Hazard_USGS
Summary
Abstract:
The hazard maps depict probabilistic ground motions and spectral response
with 10%, 5%, and 2% probabilities of exceedance (PE) in 50 years. These maps correspond to return times of approximately 500, 1000, and 2500 years, respectively. The maps are based on the assumption that earthquake occurrence is Poissonian, so that the probability of occurrence is time-independent. The maps cover all of the U.S. including Hawaii and Alaska along with other pertinent information related to earthquake hazards.
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"Although these maps have been used by the U.S. Geological Survey, no
warranty, expressed or implied is made by the USGS as to the accuracy of the maps and related material nor shall the fact of distribution constitute any such warranty, and no responsibility is assumed by the USGS in connection therewith."
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