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Synthetic Seismograms for Normal-Faulting Earthquakes

Synthetic Seismograms for Normal-Faulting Earthquakes Using the Composite Source Model, Jeffrey R. Keaton. This research demonstrates that the Composite Source Model can be used to produce acceleration-, velocity-, and displacement-time history records for normal-faulting earthquakes for sites located on the footwall, the hanging wall, and vertically above the projection of normal faults. Acceleration-time histories of normal-faulting earthquakes recorded in New Zealand, Italy, and Greece are compared to synthetic seismograms produced by the Composite Source Model as both time-history records and acceleration-response spectra. A hypothetical earthquake on the Wasatch fault in Davis and Weber counties, Utah, is also modeled. Input parameters and computing requirements for the model are described. Keaton believes that the Composite Source Model provides a useful alternative to scaling earthquake recordings for engineering design applications. The research was conducted with John Anderson and Yuehua Zeng of the University of Nevada, Reno, Seismological Laboratory. January 2000, 107 pp.

Under a cooperative agreement established with FEMA, the Earthquake Engineering Research Institute awards annually -- since 1992 -- a professional fellowship to provide an opportunity for a practicing professional to gain greater skills and broader expertise in earthquake hazards reduction either by enhancing knowledge in the Fellow's own field, or by broadening his or her education in a related, but unfamiliar discipline. This unique fellowship is designed to bring together experienced practitioners with the academic professionals in order to broaden the research base with challenges faced in practice.


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