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Principal component analysis of interseismic deformation in southern California

Journal of Geophysical Research

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Abstract

Eight trilateration networks along the San Andreas fault in southern California have been surveyed repeatedly (8 to 19 times) within an approximately 15-year interval between 1971 and 1992. The data for each network were analyzed by principal component analysis. Two anomalies in the accumulation of deformation were observed: In the network near Palmdale a transient strain event occurred in the second mode in early 1982, and in the network within Cajon Pass, fluctuations in the accumulation of deformation somewhat greater than would be attributed to measurement error were found. The principal conclusion is that the accumulation of interseismic deformation in the southern California trilateration networks is steady within the precision of measurement. -from Author

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Principal component analysis of interseismic deformation in southern California
Series title:
Journal of Geophysical Research
Volume
100
Issue:
B7
Year Published:
1995
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article