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Radiation of seismic surface-waves from finite moving sources

Ben-Menahem, Ari (1961) Radiation of seismic surface-waves from finite moving sources. Bulletin of the Seismological Society of America, 51 (3). pp. 401-435. ISSN 0037-1106. doi:10.1785/BSSA0510030401.

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A theory is proposed for the propagation of seismic surface-waves from finite moving sources. The method consists of obtaining, in the first place, basic solutions for surface displacements from directional sources. These solutions are integrated to obtain the effect of a moving fault with arbitrary dip angle. Displacements are evaluated for Rayleigh and Love waves at long ranges. It is shown that the dimensions of the source and the speed of rupture play an important role in the wave-pattern and cannot be ignored whenever the dimensions of the source are of the order of the radiation's dominant wave-length. It is demonstrated how this theory may lead to a derivation of the velocity of rupture and the length of faulting from seismic records of a single station.

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Additional Information:© 1961, by the Seismological Society of America. Manuscript received for publication October 7, 1960 and December 14, 1960, and, as revised, May 4, 1961. Grateful acknowledgment is made to Professor Frank Press for his constant help and valuable advice in accomplishing this study. I have also had the benefit of stimulating discussions of this work with Professor H. Benioff, Dr. K. Aki and Dr. H. Honda. The author was Herbert Linden fellow during a portion of this research. Partial support under contract No. AF-49 (638) 910 of the Air Force Technical Applications Center as part of the Advanced Research Projects Agency project Vela is also gratefully acknowledged.
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Air Force Office of Scientific Research (AFOSR)AF-49 (638) 910
Advanced Research Projects Agency (ARPA), project VelaUNSPECIFIED
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Caltech Division of Geological Sciences1009
Issue or Number:3
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ID Code:47802
Deposited By: George Porter
Deposited On:01 Aug 2014 20:10
Last Modified:10 Nov 2021 17:50

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