Trifunac, M. D. and Udwadia, F. E. (1974) Variations of strong earthquake ground shaking in the Los Angeles area. Bulletin of the Seismological Society of America, 64 (5). pp. 1429-1454. ISSN 0037-1106. https://resolver.caltech.edu/CaltechAUTHORS:20140917-124939273
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Abstract
Accelerograms recorded at six stations in the metropolitan Los Angeles area during the Borrego Mountain, 1968, the Lytle Creek, 1970, and the San Fernando, 1971, earthquakes in southern California have been studied. In comparing the ground motions recorded during different earthquakes at each of the six stations and in correlations of these motions recorded at different stations during the same earthquake, those aspects of the analysis which emerge from this study and are relevant for seismic zoning have been emphasized. It has been found that the patterns of strong ground shaking in this area depend predominantly on the mechanism and the distance of an earthquake source from a recording station and that the local soil conditions played only a minor role in modifying the ground motion at this particular area. It has been shown that gross spectral characteristics of ground motion recorded at various stations can be approximately related by the seismic moment at the low-frequency end and by the stress drop at the high-frequency end.
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Additional Information: | © 1974 Seismological Society of America. Manuscript received January 31, 1974. We thank A. G. Brady, T. C. Hanks, D. E. Hudson, and J. E. Luco for critical reading of the manuscript and for many valuable suggestions. This research was supported by grants from the National Science Foundation and by the Earthquake Research Affiliates Program at the California Institute of Technology. | ||||||
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Issue or Number: | 5 | ||||||
Record Number: | CaltechAUTHORS:20140917-124939273 | ||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140917-124939273 | ||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
ID Code: | 49782 | ||||||
Collection: | CaltechAUTHORS | ||||||
Deposited By: | Tony Diaz | ||||||
Deposited On: | 18 Sep 2014 02:59 | ||||||
Last Modified: | 03 Oct 2019 07:17 |
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