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

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...

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Bibliographic Details
Published in:Remote sensing (Basel, Switzerland) Switzerland), 2018-08, Vol.10 (8), p.1244
Main Authors: Bacques, Guillaume, de Michele, Marcello, Raucoules, Daniel, Aochi, Hideo
Format: Article
Language:English
Subjects:
Cholame section
Environmental Sciences
Envisat
ERS
InSAR
Parkfield section
San Andreas Fault
Sciences of the Universe
tectonic
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Summary: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.
ISSN:2072-4292
2072-4292
DOI:10.3390/rs10081244