This is a Preprint and has not been peer reviewed. The published version of this Preprint is available: https://doi.org/10.1029/2020JB020551. This is version 4 of this Preprint.

Bookshelf Kinematics and the Effect of Dilatation on Fault Zone Inelastic Deformation: Examples from Optical Image Correlation Measurements of the 2019 Ridgecrest Earthquake Sequence
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Abstract
The 2019 Ridgecrest earthquake sequence initiated on July 4th with a series of foreshocks, including a Mw 6.4 event, that culminated a day later with the Mw 7.1 mainshock and resulted in rupture of a set of cross-faults. Here we use sub-pixel correlation of optical satellite imagery to measure the displacement, finite strain and rotation of the near-field coseismic deformation to understand the kinematics of strain release along the surface ruptures. We find the average off-fault deformation along the mainshock rupture is 34% and is significantly higher along the foreshock rupture (56%) suggesting it is a less structurally developed fault sys... more
DOI
https://doi.org/10.31223/X56G6C
Subjects
Physical Sciences and Mathematics
Keywords
Ridgecrest, inelastic, off-fault deformation, finite strain, rotation, dilatation, distributed rupture
Dates
Published: 2020-12-17 21:31
Last Updated: 2021-12-10 20:49
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License
CC BY Attribution 4.0 International
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Conflict of interest statement:
None
Data Availability (Reason not available):
http://doi.org/10.5281/zenodo.3937853
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