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A modified first-motion approximation for the synthesis of body-wave seismograms

Mellman, George R. and Helmberger, Donald V. (1978) A modified first-motion approximation for the synthesis of body-wave seismograms. Geophysical Journal International, 54 (1). pp. 129-140. ISSN 0956-540X. https://resolver.caltech.edu/CaltechAUTHORS:20170410-085310544

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Abstract

Modified first-motion approximations have been developed for the generation of synthetic body-wave seismograms using the Cagniard-de Hoop method. Comparisons are presented between classical first motion, modified first motion and full Cagniard treatments for problems involving a homogeneous sphere and a triplication in a realistic earth model. Results of these comparisons show that the modified first-motion approximations may be used for a wide variety of geophysically interesting problems with little loss of accuracy compared to the full Cagniard method.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1111/j.1365-246X.1978.tb06760.x DOIArticle
https://academic.oup.com/gji/article-lookup/doi/10.1111/j.1365-246X.1978.tb06760.xPublisherArticle
Additional Information:© 1978 Royal Astronomical Society. Received 1977 November 25; in original form 1977 June 24. The authors would like to thank L. J. Burdick for his assistance in comparison of the two methods used. This research was supported by the Office of Naval Research under Contract NR 083-399.
Group:Seismological Laboratory
Funders:
Funding AgencyGrant Number
Office of Naval Research (ONR)NR 083-399
Issue or Number:1
Record Number:CaltechAUTHORS:20170410-085310544
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20170410-085310544
Official Citation:George R. Mellman, Donald V. Helmberger; A modified first-motion approximation for the synthesis of body-wave seismograms. Geophys J Int 1978; 54 (1): 129-140. doi: 10.1111/j.1365-246X.1978.tb06760.x
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:76466
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:10 Apr 2017 15:57
Last Modified:03 Oct 2019 17:01

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