Along strike variations in the electrical structure of the San Andreas Fault at Parkfield, California

Martyn Unsworth; Paul Bedrosian; Markus Eisel; Gary Egbert; Weerachai Siripunvaraporn

doi:10.1029/2000GL011476

Along strike variations in the electrical structure of the San Andreas Fault at Parkfield, California

Martyn Unsworth
, Paul Bedrosian
, Markus Eisel
, Gary Egbert
, Weerachai Siripunvaraporn

University of Alberta
University of Washington
Oregon State University

Research output: Contribution to journal › Article › peer-review

123 Citations (Scopus)

Abstract

Magnetotelluric exploration has been used to image along strike variations in the electrical resistivity structure of the San Andreas Fault at Parkfield, California. A low resistivity wedge extending to a depth of several kilometers is continuous over a horizontal distance of 8 km. The base of the wedge is coincident with the shallowest microearthquakes. A change in the electrical and fluid connection of the San Andreas Fault with a low resistivity zone in the Franciscan formation is observed along the Parkfield segment.

Original language	English
Pages (from-to)	3021-3024
Number of pages	4
Journal	Geophysical Research Letters
Volume	27
Issue number	18
DOIs	https://doi.org/10.1029/2000GL011476
Publication status	Published - 15 Sept 2000
Externally published	Yes

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10.1029/2000GL011476

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abstract = "Magnetotelluric exploration has been used to image along strike variations in the electrical resistivity structure of the San Andreas Fault at Parkfield, California. A low resistivity wedge extending to a depth of several kilometers is continuous over a horizontal distance of 8 km. The base of the wedge is coincident with the shallowest microearthquakes. A change in the electrical and fluid connection of the San Andreas Fault with a low resistivity zone in the Franciscan formation is observed along the Parkfield segment.",

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AU - Eisel, Markus

AU - Egbert, Gary

AU - Siripunvaraporn, Weerachai

PY - 2000/9/15

Y1 - 2000/9/15

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AB - Magnetotelluric exploration has been used to image along strike variations in the electrical resistivity structure of the San Andreas Fault at Parkfield, California. A low resistivity wedge extending to a depth of several kilometers is continuous over a horizontal distance of 8 km. The base of the wedge is coincident with the shallowest microearthquakes. A change in the electrical and fluid connection of the San Andreas Fault with a low resistivity zone in the Franciscan formation is observed along the Parkfield segment.

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DO - 10.1029/2000GL011476

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ER -

Along strike variations in the electrical structure of the San Andreas Fault at Parkfield, California

Abstract

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