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Relations among fault behavior, subsurface geology, and three-dimensional velocity models

Science

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Abstract

The development of three-dimensional P-wave velocity models for the regions surrounding five large earthquakes in California has lead to the recognition of relations among fault behavior and the material properties of the rocks that contact the fault at seismogenic depths; regions of high moment release appear to correlate with high seismic velocities whereas rupture initiation or termination may be associated with lower seismic velocities. These relations point toward a physical understanding of why faults are divided into segments that can fail independently, an understanding that could improve our ability to predict earthquakes and strong ground motion.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Relations among fault behavior, subsurface geology, and three-dimensional velocity models
Series title:
Science
Volume
253
Issue:
5020
Year Published:
1991
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Science
First page:
651
Last page:
654