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Stress near geometrically complex strike-slip faults - Application to the San Andreas fault at Cajon Pass, southern CaliforniaA model is presented to rationalize the state of stress near a geometrically complex major strike-slip fault. Slip on such a fault creates residual stresses that, with the occurrence of several slip events, can dominate the stress field near the fault. The model is applied to the San Andreas fault near Cajon Pass. The results are consistent with the geological features, seismicity, the existence of left-lateral stress on the Cleghorn fault, and the in situ stress orientation in the scientific well, found to be sinistral when resolved on a plane parallel to the San Andreas fault. It is suggested that the creation of residual stresses caused by slip on a wiggle San Andreas fault is the dominating process there.
Document ID
19920051424
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Saucier, Francois
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Humphreys, Eugene
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Weldon, Ray, II
(Oregon, University Eugene, United States)
Date Acquired
August 15, 2013
Publication Date
April 10, 1992
Publication Information
Publication: Journal of Geophysical Research
Volume: 97
Issue: B4 A
ISSN: 0148-0227
Subject Category
Geophysics
Accession Number
92A34048
Funding Number(s)
CONTRACT_GRANT: NAG5-755
Distribution Limits
Public
Copyright
Other

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