Weak-motion observations and modeling for the Turkey Flat, US, site- effects test area near Parkfield, California

C. H. Cramer

Abstract

In order to determine the stability of the weak-motion site response and test the ability of geotechnical measurements to predict site response, empirical transfer functions and theoretical site amplification functions were compared at several sites across Turkey Flat Site-Effects Test Area. Observed site response relative to a bedrock reference site was determined for a given site by using the Fourier amplitude spectral ratio method. Observed transfer functions were modeled using relative amplification functions from the computer program SHAKE. Modeling of observed transfer functions indicates that the model fit is sensitive to 5% changes in S-wave velocity. -from Author

Publication Title

Bulletin - Seismological Society of America

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