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A nonlinear least-squares inverse analysis of strike-slip faulting with application to the San Andreas faultA nonlinear weighted least-squares analysis was performed for a synthetic elastic layer over a viscoelastic half-space model of strike-slip faulting. Also, an inversion of strain rate data was attempted for the locked portions of the San Andreas fault in California. Based on an eigenvector analysis of synthetic data, it is found that the only parameter which can be resolved is the average shear modulus of the elastic layer and viscoelastic half-space. The other parameters were obtained by performing a suite of inversions for the fault. The inversions on data from the northern San Andreas resulted in predicted parameter ranges similar to those produced by inversions on data from the whole fault.
Document ID
19890026588
Document Type
Reprint (Version printed in journal)
Authors
Williams, Charles A. (Arizona Univ. Tucson, AZ, United States)
Richardson, Randall M. (Arizona, University Tucson, United States)
Date Acquired
August 14, 2013
Publication Date
October 1, 1988
Publication Information
Publication: Geophysical Research Letters
Volume: 15
ISSN: 0094-8276
Subject Category
GEOPHYSICS
Funding Number(s)
CONTRACT_GRANT: NSF EAR-82-123539
CONTRACT_GRANT: NAG5-326
Distribution Limits
Public
Copyright
Other