Numerical simulations of tectonic processes in Southern California

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Abstract

Summary. A relaxation model for crustal tectonics, using the Finite Element method, was developed and applied to the region of Southern California. Both the existence of the Transverse Ranges and the geometry of the San Andreas fault in the region of Southern California, imply a stress pattern deviating from the simple horizontal shear which parallels the spreading between the Pacific and the North American plates. A number of possible mechanisms responsible for this anomalous stress field were examined quantitatively in the light of seismicity and other tectonic observations, and in particular to the Palmdale uplift which was reported to have occurred between the years 1960–65.

Original languageEnglish
Pages (from-to)487-501
Number of pages15
JournalGeophysical Journal of the Royal Astronomical Society
Volume51
Issue number2
DOIs
StatePublished - Nov 1977
Externally publishedYes

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