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Dislocation model for aseismic crustal deformation at Hollister, CaliforniaA model of crustal deformation during the interseismic phase is developed and applied (using the improved Bayesian inversion algorithm described by Jackson and Matsu'ura, 1985) to trilateration data for the USGS Hollister (CA) network. In the model, rigid blocks in motion relative to each other experience friction only in a brittle upper zone, while their ductile lower zones slide freely; the Hollister model comprises five blocks and nine rectangular fault patches. The data and results are presented in tables, graphs, and maps and characterized in detail. The model predicts steady block motion on time scales between 10 yr and 1 Myr, with net motion across the San Andreas/Calaveras fault system 38 + or - 3 mm/yr and brittle/ductile transition depths ranging from 0.4 to 11 km. Two San Andreas segments with higher probabilities of moderate-to-large earthquakes are identified.
Document ID
19870035699
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Matsuura, Mitsuhiro
(Tokyo, University Japan)
Jackson, David D.
(Tokyo Univ. Japan)
Cheng, Abe
(California, University Los Angeles, United States)
Date Acquired
August 13, 2013
Publication Date
November 10, 1986
Publication Information
Publication: Journal of Geophysical Research
Volume: 91
ISSN: 0148-0227
Subject Category
Geophysics
Accession Number
87A22973
Funding Number(s)
CONTRACT_GRANT: NAG5-447
CONTRACT_GRANT: NAS5-26895
CONTRACT_GRANT: USGS-08-0001-21243
Distribution Limits
Public
Copyright
Other

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