A Cenozoic Record of Deep Oceanic Zn Isotopic Composition in Ferromanganese Crusts

M Zhao, N Planavsky, X Wang, Y Zhang… - American Journal of …, 2023 - ajsonline.org
Water plays a critical role in erosion and sediment transport and this relationship is most
evident in the hyperarid Atacama Desert of Northern Chile, a region characterized by …

Repeating earthquakes

N Uchida, R Bürgmann - Annual Review of Earth and Planetary …, 2019 - annualreviews.org
Repeating earthquakes, or repeaters, are identical in location and geometry but occur at
different times. They appear to represent recurring seismic energy release from distinct …

Multiple plates subducting beneath Colombia, as illuminated by seismicity and velocity from the joint inversion of seismic and gravity data

EM Syracuse, M Maceira, GA Prieto, H Zhang… - Earth and Planetary …, 2016 - Elsevier
Subduction beneath the northernmost Andes in Colombia is complex. Based on seismicity
distributions, multiple segments of slab appear to be subducting, and arc volcanism ceases …

Subduction history of the Caribbean from upper-mantle seismic imaging and plate reconstruction

B Braszus, S Goes, R Allen, A Rietbrock… - Nature …, 2021 - nature.com
The margins of the Caribbean and associated hazards and resources have been shaped by
a poorly understood history of subduction. Using new data, we improve teleseismic P-wave …

Transient slab flattening beneath Colombia

LS Wagner, JS Jaramillo… - Geophysical …, 2017 - Wiley Online Library
Subduction of the Nazca and Caribbean Plates beneath northwestern Colombia is seen in
two distinct Wadati Benioff Zones, one associated with a flat slab to the north and one …

Deep-focus earthquake analogs recorded at high pressure and temperature in the laboratory

A Schubnel, F Brunet, N Hilairet, J Gasc, Y Wang… - Science, 2013 - science.org
Phase transformations of metastable olivine might trigger deep-focus earthquakes (400 to
700 kilometers) in cold subducting lithosphere. To explore the feasibility of this mechanism …

Seismic evidence for thermal runaway during intermediate‐depth earthquake rupture

GA Prieto, M Florez, SA Barrett… - Geophysical …, 2013 - Wiley Online Library
Intermediate‐depth earthquakes occur at depths where temperatures and pressures exceed
those at which brittle failure is expected. There are two leading candidates for the physical …

Subduction system and flat slab beneath the E astern C ordillera of C olombia

C Chiarabba, P De Gori, C Faccenna… - Geochemistry …, 2016 - Wiley Online Library
Seismicity at the northern terminus of the Nazca subduction is diffused over a wide area
containing the puzzling seismic feature known as the Bucaramanga nest. We relocate about …

Overlapping slabs: Untangling subduction in NW South America through finite-frequency teleseismic tomography

M Sun, MJ Bezada, J Cornthwaite, GA Prieto… - Earth and Planetary …, 2022 - Elsevier
Abstract Both the Caribbean and Nazca plates subduct beneath northwestern South
America. The configuration of the two subducted slabs and the nature of any interaction …

Detailed Structure of the Subducted Nazca Slab into the Lower Mantle Derived From Continent‐Scale Teleseismic P Wave Tomography

DE Portner, EE Rodríguez, S Beck… - Journal of …, 2020 - Wiley Online Library
Abstract Nazca subduction beneath South America is one of our best modern examples of
long‐lived ocean‐continent subduction on the planet, serving as a foundation for our …