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Fault motions at the Baldwin Hills Reservoir site

Hudson, Donald E. and Scott, Ronald F. (1965) Fault motions at the Baldwin Hills Reservoir site. Bulletin of the Seismological Society of America, 55 (1). pp. 165-180. ISSN 0037-1106. http://resolver.caltech.edu/CaltechAUTHORS:20140801-103703325

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Abstract

A distinction is made between the damaging potential of rapid fault motions associated with earthquakes and those having a relatively slow creep type motion. Information is given on nonseismic movements that have been occurring on faults passing through the Baldwin Hills Reservoir during the past 10 years. The relationship between those faults and the Inglewood fault system is described, and correlations are presented with local elevation changes, horizontal ground movements, and seismic activity. Comparisons are made with similar slow fault motions occurring at other places in California, and attention is drawn to the potential damaging effects of such movements.


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Additional Information:Copyright © 1965, by the Seismological Society of America. Manuscript received September 16, 1964. As members of the Board of Inquiry appointed by the Mayor of the City of Los Angeles to investigate the failure of the Baldwin Hills Reservoir, the authors enjoyed the fullest cooperation of all members of the Department of Water and Power. The opinions expressed in this paper, however, are those of the authors. In particular, we would like to thank Mr. R. R. Wilson, Mr. H. B. Hemborg, and Mr. W. J. Simon of the Department of Water and Power, for assistance in the collection of data. Dr. Frank Press of the Seismological Laboratory of the California Institute of Technology made available the portable seismograph for the Baldwin Hills site, as well as the seismological records of past earthquakes. Thanks are expressed also to Professor C. F. Richter of the Seismological Laboratory and Professor C. R. Allen of the Division of Geological Sciences, California Institute of Technology, who made valuable suggestions on seismological and geological matters, and to Mr. J. M. Nordquist of the Seismological Laboratory for assistance with the seismicity map.
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Deposited By: George Porter
Deposited On:01 Aug 2014 17:52
Last Modified:13 Feb 2019 18:04

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