This is a Preprint and has not been peer reviewed.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.2019.05.029. This is version 1 of this Preprint.

Ridge Subduction and Afterslip Control Aftershock Distribution of the 2016 Mw 7.8 Ecuador Earthquake
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Abstract
We characterise the aftershock sequence following the 2016 Mw=7.8 Pedernales earthquake. More than 10,000 events were detected and located, with magnitudes up to 6.9. Most of the aftershock seismicity results from interplate thrust faulting, but we also observe a few normal and strike-slip mechanisms. Seismicity extends for more than 300 km along strike, and is constrained between the trench and the maximum depth of the coseismic rupture. The most striking feature is the presence of three seismicity bands, perpendicular to the trench, which are also observed during the interseismic period. Additionally, we observe a linear dependency between ... more
DOI
https://doi.org/10.31223/osf.io/39jvx
Subjects
Earth Sciences, Geophysics and Seismology, Physical Sciences and Mathematics
Keywords
aftershocks, afterslip, subduction, Ecuador, Carnegie Ridge, Seafloor Relief
Dates
Published: 2019-04-02 13:11
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