International audience
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May 2018 (v1)PublicationUploaded on: December 4, 2022
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September 1, 2020 (v1)Journal article
The Ecuadorian forearc is a complex region of accreted terranes with a history of largemegathrust earthquakes. Most recently, aMw7.8 megathrust earthquake ruptured the plateboundary offshore of Pedernales, Ecuador on 16 April 2016. Following this event, an inter-national collaboration arranged by the Instituto Geofisico at the...
Uploaded on: December 3, 2022 -
December 9, 2019 (v1)Publication
International audience
Uploaded on: December 4, 2022 -
March 1, 2020 (v1)Journal article
The Ecuadorian convergent margin has experienced many large mega-thrust earthquakes in the past century, beginning with a 1906 event that propagated along as much as 500 km of the plate interface. Many subsections of the 1906 rupture area have subsequently produced Mw ≥ 7.7 events, culminating in the 16 April 2016, Mw 7.8 Pedernales earthquake....
Uploaded on: December 4, 2022 -
March 2021 (v1)Journal article
Based on manually analyzed waveforms recorded by the permanent Ecuadorian network and our large aftershock deployment installed after the Pedernales earthquake, we derive three- dimensional Vp and Vp/Vs structures and earthquake locations for central coastal Ecuador using local earthquake tomography. Images highlight the features in the...
Uploaded on: December 4, 2022 -
September 2019 (v1)Journal article
On April 16th 2016 a Mw 7.8 earthquake ruptured the central coastal segment of the Ecuadorian subduction zone. Shortly after the earthquake, the Instituto Geofisico de la Escuela Politecnica Nacional of Ecuador, together with several international institutions deployed a dense, temporary seismic network to accurately categorize the post-seismic...
Uploaded on: December 4, 2022 -
January 2021 (v1)Journal article
Megathrust ruptures and the ensuing postseismic deformation cause stress changes that may induce seismicity on upper plate crustal faults far from the coseismic rupture area. In this study, we analyze seismic swarms that occurred in the north Ecuador area of Esmeraldas, beginning two months after the 2016 Mw7.8 Pedernales, Ecuador megathrust...
Uploaded on: December 4, 2022 -
March 6, 2019 (v1)Journal article
The April 2016 Pedernales earthquake ruptured a 100 km by 40 km segment of the subduction zone along the coast of Ecuador in an Mw 7.8 megathrust event east of the intersection of the Carnegie ridge with the trench. This portion of the subduction zone has ruptured on decadal time scales in similar size and larger earthquakes, and exhibits a...
Uploaded on: December 4, 2022 -
February 2020 (v1)Journal article
International audience
Uploaded on: December 4, 2022 -
May 2021 (v1)Journal article
Repeating earthquakes repeatedly rupture the same seismic asperity and are strongly linked to aseismic slip. Here, we study the repeating aftershocks of the April 16, 2016 MW 7.8 Pedernales earthquake in Ecuador, which generated a large amount of afterslip. Using temporary and permanent stations, we correlate waveforms from a one‐year catalog...
Uploaded on: December 4, 2022 -
April 19, 2021 (v1)Conference paper
Repeating earthquakes are earthquakes that repeatedly break a single, time-invariant fault patch. They are generally associated with aseismic slip, which is thought to load asperities, leading to repeated rupture. Repeating earthquakes are therefore useful tools to study aseismic slip and fault mechanics, with possible applications to...
Uploaded on: December 4, 2022 -
December 13, 2021 (v1)Conference paper
The study of repeating earthquakes can provide us with a deeper understanding of the interaction between seismic and aseismic slip. Repeating earthquakes are the result of repeated loading and failure of single fault asperities, likely driven by surrounding aseismic slip. As such, they are especially useful in the study of transient or stable...
Uploaded on: December 3, 2022