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A procedure for source studies from spectrums of long-period seismic body waves

Ben-Menahem, Ari and Smith, Stewart W. and Teng, Ta-Liang (1965) A procedure for source studies from spectrums of long-period seismic body waves. Bulletin of the Seismological Society of America, 55 (2). pp. 203-235. ISSN 0037-1106. https://resolver.caltech.edu/CaltechAUTHORS:20140801-110558344

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Abstract

The well-known first motion method of Nakano and Byerly is extended, generalized and combined with recent new ideas in body wave theory in order to set up a routine procedure for extracting source parameters from spectral analysis of isolated P and S pulses recorded at a net of standardized stations around a non-shallow source. The method consists of compensating the observed spectrums for instrumental and propagational effects. A combined study of the resulting radiation patterns, initial phases, and the initial amplitudes will render information regarding the spatial and temporal nature of deep and intermediate earthquake sources as seen through the spectral window of 10-100 seconds. The shorter periods can be used for source studies only if an accurate station correction is available.


Item Type:Article
Related URLs:
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http://bssa.geoscienceworld.org/content/55/2/203.abstractPublisherArticle
Additional Information:Copyright © 1965, by the Seismological Society of America. Manuscript received October 21, 1964. This research was supported by contract No. AF-49(638)-1337 of the Air Force Office of Scientific Research as part of the Advanced Research Projects Agency Project Vela and by AF-AFOSR 62-421. Discussions held with Dr. Robert Burridge are gratefully acknowledged.
Funders:
Funding AgencyGrant Number
Air Force Office of Scientific Research (AFOSR)AF-49(638)-1337
Advanced Research Projects Agency (ARPA), project VelaUNSPECIFIED
Air Force Office of Scientific Research (AFOSR)AF-AFOSR 62-421
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Caltech Division of Geological Sciences1302
Issue or Number:2
Record Number:CaltechAUTHORS:20140801-110558344
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140801-110558344
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47797
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:01 Aug 2014 18:17
Last Modified:03 Oct 2019 06:57

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