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Hydraulic fracturing in situ stress measurements to 2.1 km depth at Cajon Pass, California

Geophysical Research Letters

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Abstract

Stress measurements to 2.1 km reveal stress changes with depth that cannot be explained by an elastic response to uniform crustal strain. The data at about 1 km depth suggest that the stress is limited by the frictional strength of rock and is perturbed at greater depths by faults which intersect the borehole. The stress data indicate that there is little or no right-lateral shear stress acting on planes parallel to the San Andreas Fault. -Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Hydraulic fracturing in situ stress measurements to 2.1 km depth at Cajon Pass, California
Series title:
Geophysical Research Letters
Volume
15
Issue:
9
Year Published:
1988
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
1005
Last page:
1008
Number of Pages:
4