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Strain adjustments associated with earthquakes in southern California

Smith, Stewart W. and Van de Lindt, William (1969) Strain adjustments associated with earthquakes in southern California. Bulletin of the Seismological Society of America, 59 (4). pp. 1569-1589. ISSN 0037-1106.

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A technique for the calculation of strain changes in a two-dimensional elastic body with arbitrary internal dislocations is presented. This technique is applied to the southern California region by assigning a specific fault and fault slip function for each major earthquake that has occurred since 1812. Although the model used has serious shortcomings when applied to the real Earth, certain important features concerning strain energy changes associated with earthquakes are brought out. The occurrence of earthquakes over the past 150 years has resulted in net increases in stored strain energy in a number of regions including the northern end of the Gulf of California, the Cajon Pass area, and the northern part of the Carizzo Plain. Large regions of strain energy decrease can also be seen, the most important of which is in the vicinity of Fort Tejon.

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Additional Information:Copyright © 1969, by the Seismological Society of America. Manuscript received November 22, 1968. This work was partially supported by National Science Foundation Grant GA 1087 and Air Force Office of Scientific Research Contract AFOSR-62-421. The authors wish to express their thanks to C. F. Richter for his comments and to C. R. Allen and L. E. Alsop for their critical review of the manuscript.
Funding AgencyGrant Number
NSFGA 1087
Air Force Office of Scientific Research (AFOSR)AFOSR-62-421
Issue or Number:4
Record Number:CaltechAUTHORS:20140811-124944160
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:48302
Deposited By: George Porter
Deposited On:12 Aug 2014 15:28
Last Modified:03 Oct 2019 07:02

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