2021 Alaska earthquake: entropy approach to its precursors and aftershock regimes [PDF]
Natural Hazards and Earth System SciencesWe have conducted an entropy analysis in Alaska, a seismic-rich region in a subduction zone that exhibits a nontrivial behavior: the subduction arc alters the seismic activity from the eastern zone to the western zone, demonstrating a decrease in ...
E. E. Vogel +7 more
doaj +1 more source
Variations in the crustal structure and strength of plate coupling along the Ryukyu subduction zone
Geoscience Letters, 2023 The Ryukyu trench-arc-back arc system is part of the subduction margins of the Philippine Sea plate. Previous studies have indicated that several geophysical and geological characteristics reveal significant variations (including convergent rate ...
Wen-Bin Doo +4 more
doaj +1 more source
Nonvolcanic tremor observed in the Mexican subduction zone [PDF]
, 2008 Nonvolcanic tremor (NVT) activity is revealed as episodes of higher spectral amplitude at 1–8 Hz in daily spectrograms from the continuous seismological records in Guerrero, Mexico.
Clayton, Robert W. +6 more
core +3 more sources
Seamount chain–subduction zone interactions: Implications for accretionary and erosive subduction zone behavior [PDF]
Geology, 2018 n ...
Clarke, Alexander P. +2 more
openaire +3 more sources
Tracking Dehydration Reactions and Fossil Fluid Flux in Shear Zones Using Garnet Microstructures
Journal of Metamorphic Geology, EarlyView.ABSTRACT Shear zones act as preferential fluid pathways during prograde and retrograde stages of metamorphism. Nonetheless, we still have limited knowledge of the drainage and permeability of natural settings. The preserved signature of fluid in exhumed rocks provides insights into fluid flow during burial and exhumation.
Alessandro Petroccia +7 more
wiley +1 more source
Ductile Extrusion Triggered by Continental Collision in NE Brazil
Terra Nova, EarlyView.ABSTRACT The Borborema Province in northeastern Brazil hosts one of the world's largest strike‐slip shear zone networks, active during the late Neoproterozoic assembly of West Gondwana. Whether these shear zones initiated during active continental collision or as a post‐orogenic response to far‐field stresses remains debated.
L. R. Tesser +6 more
wiley +1 more source
Zoologica Scripta, EarlyView.ABSTRACT Hadal environments (> 6000 m ocean depths) are often viewed as isolated locations with high species endemism due to limited dispersal. However, molecular studies continue to reveal greater complexity that questions historical perceptions. Recent population genetic studies focused on scavenging amphipods have identified broadly distributed ...
Brett C. Gonzalez +2 more
wiley +1 more source
Rapid subduction initiation and magmatism in the Western Pacific driven by internal vertical forces
Nature Communications, 2020 The magmatic progression produced during the initiation of the Izu-Bonin-Marianas subduction zone took place rapidly over 1 million years, but it has been unclear why.
B. Maunder +3 more
doaj +1 more source
Reconciling the shadow of a subduction signature with rift geochemistry and tectonic environment in Eastern Marie Byrd Land, Antarctica [PDF]
, 2016 Basalt-trachyte volcanoes in the Marie Byrd Land (MBL) Cenozoic province lie along the Amundsen Sea coast on the north flank of the West Antarctic rift.
Choi, Sung Hi +4 more
core +1 more source
Sr-Nd-Pb-Hf isotope results from ODP Leg 187: Evidence for mantle dynamics of the Australian-Antarctic Discordance and origin of the Indian MORB source [PDF]
, 2002 New high precision PIMMS Hf and Pb isotope data for 14–28 Ma basalts recovered during ODP Leg 187 are compared with zero-age dredge samples from the Australian-Antarctic Discordance (AAD).
Alvarez +77 more
core +2 more sources