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Homogeneity of small-scale earthquake faulting, stress, and fault strength

Bulletin of the Seismological Society of America

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DOI: 10.1785/0120050257

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Abstract

Small-scale faulting at seismogenic depths in the crust appears to be more homogeneous than previously thought. I study three new high-quality focal-mechanism datasets of small (M < ??? 3) earthquakes in southern California, the east San Francisco Bay, and the aftershock sequence of the 1989 Loma Prieta earthquake. I quantify the degree of mechanism variability on a range of length scales by comparing the hypocentral disctance between every pair of events and the angular difference between their focal mechanisms. Closely spaced earthquakes (interhypocentral distance

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Homogeneity of small-scale earthquake faulting, stress, and fault strength
Series title:
Bulletin of the Seismological Society of America
DOI:
10.1785/0120050257
Volume
96
Issue:
5
Year Published:
2006
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
1675
Last page:
1688
Number of Pages:
14