= Andrew J. Michael
{c}
<Andrew J. Michael> coauthored a comparison of stress-orientation measurements with competing strength models for the <San Andreas Fault>. The study combines earlier observations with new inversions of <focal mechanisms>, finding that similar measured orientations can support different interpretations.<Stress orientations at intermediate angles to the San Andreas Fault, California by Jeanne L. Hardebeck and Andrew J. Michael>[Abstract: intermediate orientations and alternative strength models]{ref}
Fault geometry and the distribution of available slipping surfaces affect how orientation is translated into strength. Measuring a stress direction therefore does not by itself determine an absolute friction coefficient.
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