Current motion and deformation of the Nazca Plate: new constraints from GPS measurements

P Jarrin, JM Nocquet, F Rolandone… - Geophysical Journal …, 2023 - academic.oup.com
We use new GPS data to determine an updated Euler pole describing the present-day
motion of the oceanic Nazca Plate. Our solution includes continuous GPS (cGPS) …

Active thrust tectonics along the western slope of the Central Andes southernmost Pampean flat-slab segment (∼ 33° S, Chile): The Cariño Botado fault system

J Estay, L Pinto, G Easton, GP De Pascale, M Troncoso… - Geomorphology, 2023 - Elsevier
Along the western slope of the Central Andes in the southernmost part of the Pampean flat-
slab subduction zone segment (∼ 33° S), crustal Quaternary west-vergent reverse faults are …

Afterslip of the Mw 8.3 2015 Illapel Earthquake Imaged Through a Time‐Dependent Inversion of Continuous and Survey GNSS Data

R Tissandier, JM Nocquet, E Klein… - Journal of …, 2023 - Wiley Online Library
We use continuous and survey GNSS data to image the spatial and temporal evolution of
afterslip during the 2 months following the Mw 8.3 2015 Illapel earthquake. Our approach …

Seismic and aseismic slip during the 2006 Copiapó swarm in North-Central Chile

J Ojeda, C Morales-Yáñez, G Ducret, S Ruiz… - Journal of South …, 2023 - Elsevier
Earthquake swarms commonly occur along the Chilean subduction zone, witnessing fast
seismic and slow aseismic slip behavior at the plate interface. However, the largest seismic …

Observation of a Synchronicity between Shallow and Deep Seismic Activities during the Foreshock Crisis Preceding the Iquique Megathrust Earthquake

M Bouchon, S Guillot, D Marsan, A Socquet… - …, 2023 - seismica.library.mcgill.ca
We analyze at a broad spatial scale the slab seismicity during one of the longest and best
recorded foreshock sequence of a subduction earthquake to date: the M8. 1 2014 Iquique …

Shallow earthquakes source parameters in the Eastern Sierras Pampeanas of Córdoba,(Argentina): Implications to deep crustal faulting and shortening

A Venerdini, JB Ammirati, P Alvarado, M Sáez… - Journal of South …, 2023 - Elsevier
In this work we propose a detailed analysis of the crustal seismicity characterizing the
Sierras de Córdoba (Eastern Sierras Pampeanas, central Argentina). We considered a large …

Enfoque de aprendizaje automático supervisado para estimar el acople interplaca: aplicación a Chile Central.

S Barra Cisterna - 2023 - repositorio.udec.cl
La distribución del grado de acople es importante para estimar el tamaño y el déficit de
deslizamiento de las brechas sísmicas. Las inversiones de velocidad superficial se utilizan …

Análisis de la fuente sísmica de dos terremotos anómalos en el norte de Chile.

CA Tassara Gutiérrez - 2023 - repositorio.udec.cl
El Norte de Chile es una región sísmicamente activa. La sismicidad ocurre segmentada en
tres bandas de profundidades: terremotos superficiales, intermedios y profundos. Terre …

[PDF][PDF] Cuantificación de efectos de sitio en la ciudad de Valdivia utilizando análisis lineal equivalente unidimensional

S Ojeda, G Valdebenito, D Alvarado - researchgate.net
La ciudad de Valdivia necesita mejorar el conocimiento sobre la amenaza sísmica local,
debido a que se encuentra en un valle sedimentario que presenta una geología compleja y …

Revisiting the 2015 Mw = 8.3 Illapel earthquake: unveiling complex fault slip properties using Bayesian inversion

E Caballero, Z Duputel, C Twardzik… - Geophysical Journal …, 2023 - academic.oup.com
The 2015 moment magnitude M w= 8.3 Illapel earthquake is the largest mega-thrust
earthquake that has been recorded along the Chilean subduction zone since the 2010 M w …