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Seismicity along the Pacific-North American plate boundary in California and western Nevada, 1980-81

Hill, D. P. and Cockerham, R. S. and Eaton, J. P. and Ellsworth, W. L. and Lindh, A. G. and Allen, C. R. and Hutton, L. K. and Johnson, C. E. and Rodgers, A. M. and Carr, W. J. and Ryall, A. S. (1982) Seismicity along the Pacific-North American plate boundary in California and western Nevada, 1980-81. Earthquake Notes, 54 (1). p. 46. ISSN 0012-8287. https://resolver.caltech.edu/CaltechAUTHORS:20140916-112700439

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Abstract

Beginning in 1980, the number and distribution of telemetered, high-gain seismic stations operated in California and western Nevada provided the capability for locating earthquakes of M ≥ 2.0 occurring throughout the broadly-deforming Pacific-North American plate boundary from the Salton Trough to the Mendocino triple junction and as far inland as the western Great Basin. Four networks combine to provide this capability: (1) the 300-station Central California Network operated by the U.S. Geological Survey from Menlo Park, CA; (2) the 200-station Southern California Network operated jointly by the California Institute of Technology (CIT) and the U. S. Geological Survey from Pasadena, CA; (3) the 40-station Western Nevada-Eastern California Network operated by the University of Nevada from Reno, NV; and (4) the 55-station Southern Nevada Network operated by the U.S. Geological Survey from Golden, CO. The distribution of earthquake hypocenters located by this combination of networks for 1980 and 1981 brings into focus detailed seismicity patterns within the broad bands of earthquake activity that have persisted for SO years or more based on locations of M ≥ 3 earthquakes from the regional networks operated by CIT and the University of California, Berkeley, since the early 1930's. The precise focal parameters of M ≥ 2.0 earthquakes afforded by these four telemetered networks provide critical constraints on the kinematics of seismogenic deformation of the western margin of the North American plate adjacent to the San Andreas transform-fault system.


Item Type:Article
ORCID:
AuthorORCID
Hill, D. P.0000-0001-7476-6306
Additional Information:© 1982 Seismological Society of America.
Issue or Number:1
Record Number:CaltechAUTHORS:20140916-112700439
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140916-112700439
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49741
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:16 Sep 2014 18:41
Last Modified:09 Mar 2020 13:18

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