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The Locking Depth of the Cholame Section of the San Andreas Fault from ERS2-Envisat InSAR

BRGM, French Geological Survey, 3 avenue Claude Guillemin, 45100 Orléans, France
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Remote Sens. 2018, 10(8), 1244; https://doi.org/10.3390/rs10081244
Received: 29 June 2018 / Revised: 27 July 2018 / Accepted: 2 August 2018 / Published: 7 August 2018
(This article belongs to the Special Issue Remote Sensing of Tectonic Deformation)
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Abstract

The Cholame section of the San Andreas Fault (SAF), which has been considered locked since 1857, has been little studied using geodetic methods. In this study, we propose to use Interferometric Synthetic Aperture Radar (InSAR) to contribute to the improvement of the knowledge of this section of the SAF. In particular, the objective of this work is to provide a description of the transition between the Parkfield and Cholame-Carrizo segments further southeast by producing an estimate of the locking depth of the Cholame segment by combining ERS2 (European Remote Sensing) and Envisat Advanced SAR (ASAR) satellites data. Our results indicate that the locking depth between the Parkfield and the Cholame-Carrizo segments deepens to the southeast. We then use these results as a hint to refine the tectonic loading on this section of the SAF. View Full-Text
Keywords: San Andreas Fault; Cholame section; Parkfield section; InSAR; ERS; Envisat; tectonic San Andreas Fault; Cholame section; Parkfield section; InSAR; ERS; Envisat; tectonic
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Bacques, G.; De Michele, M.; Raucoules, D.; Aochi, H. The Locking Depth of the Cholame Section of the San Andreas Fault from ERS2-Envisat InSAR. Remote Sens. 2018, 10, 1244.

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