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Strain budget of the Ecuador-Colombia subduction zone: a stochastic view

Strain budget of the Ecuador-Colombia subduction zone: a stochastic view

This is a Preprint and has not been peer reviewed. The published version of this Preprint is available: https://doi.org/10.1016/j.epsl.2018.06.046. This is version 5 of this Preprint.

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Authors

Baptiste Gombert, Zacharie Duputel, Romain Jolivet, Mark Simons, Junle Jiang , Cunren Liang, Eric Jameson Fielding ...  more

Abstract

The 2016 Pedernales earthquake (Mw=7.8) ruptured a portion of the Colombia-Ecuador subduction interface where several large historical earthquakes have been documented since the great 1906 earthquake (M=8.6). Considering all significant ruptures that occurred in the region, it has been suggested that the cumulative moment generated co-seismically along this part of the subduction over the last century exceeds the moment deficit accumulated inter-seismically since 1906. Such an excess challenges simple models with earthquakes resetting the elastic strain accumulated inter-seismically in locked asperities. These inferences are however associate...  more

DOI

https://doi.org/10.31223/osf.io/9v38b

Subjects

Earth Sciences, Geophysics and Seismology, Physical Sciences and Mathematics

Keywords

Seismology, Bayesian inversion, Ecuador-Colombia subduction zone, Geodetic coupling model, Kinematic source model, Strain budget

Dates

Published: 2018-04-24 15:45

Last Updated: 2018-06-13 15:55

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License

CC BY Attribution 4.0 International