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The temporal variation of teleseismic P-residuals for stations in southern California

Raikes, Susan A. (1978) The temporal variation of teleseismic P-residuals for stations in southern California. Bulletin of the Seismological Society of America, 68 (3). pp. 711-720. ISSN 0037-1106. https://resolver.caltech.edu/CaltechAUTHORS:20140812-164609183

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Abstract

Teleseismic P residuals have been monitored as a function of time at 13 stations in southern California during the 5-year period 1972 to 1976. These residuals, when normalized to minimize common path and source effects, and corrected for the marked azimuthal dependence of residuals in southern California, show no significant variation. This indicates that no detectable velocity changes have occurred during this time in the vicinity of the stations monitored. It is estimated that a velocity change of ∼9 per cent occurring over a path length of 10 km and lasting for at least 6 months should be resolvable. Either such changes have not taken place in the region monitored, or any velocity anomalies are confined to a small depth range in the crust, and are poorly sampled by teleseismic waves.


Item Type:Article
Related URLs:
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http://bssa.geoscienceworld.org/content/68/3/711.abstractPublisherArticle
Additional Information:Copyright © 1978, by the Seismological Society of America. Manuscript received November 12, 1977. I am indebted to Hiroo Kanamori, Chris Powell, Jim Whitcomb, and Dave Hadley for many interesting discussions. This work was supported by NSF Grant DES 75-03643, and USGS Contracts 14-08-0001-15893 and 14-08-0001-16711.
Funders:
Funding AgencyGrant Number
NSFDES 75-03643
USGS14-08-0001-15893
USGS14-08-0001-16711
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Caltech Division of Geological and Planetary Sciences2998
Issue or Number:3
Record Number:CaltechAUTHORS:20140812-164609183
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140812-164609183
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:48464
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:13 Aug 2014 15:12
Last Modified:03 Oct 2019 07:04

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