Results 1 to 10 of about 2,804,231 (390)

Surface faulting earthquake clustering controlled by fault and shear-zone interactions. [PDF]

open access: yesNat Commun, 2022
Surface faulting earthquakes are known to cluster in time from historical and palaeoseismic studies, but the mechanism(s) responsible for clustering, such as fault interaction, strain-storage, and evolving dynamic topography, are poorly quantified, and ...
Mildon ZK   +14 more
europepmc   +2 more sources

Cascadia low frequency earthquakes at the base of an overpressured subduction shear zone. [PDF]

open access: yesNat Commun, 2020
In subduction zones, landward dipping regions of low shear wave velocity and elevated Poisson’s ratio, which can extend to at least 120 km depth, are interpreted to be all or part of the subducting igneous oceanic crust.
Calvert AJ   +3 more
europepmc   +2 more sources

Effect of Local Cyclic Loading on Direct Shear Strength Characteristics of Shear-Zone Soil [PDF]

open access: goldApplied Sciences, 2022
The reservoir landslide in the Three Gorges Reservoir Area (TGRA) often suffers from local cyclic loading scenarios produced by surge waves, groundwater level fluctuation, traffic loading, and seismic activity.
Qiong Chen   +3 more
doaj   +2 more sources

Impact of Shear Zone on Rockburst in the Deep Neelum-Jehlum Hydropower Tunnel: A Numerical Modeling Approach

open access: yesEnergies, 2018
Rockburst is a hazardous phenomenon in deep tunnels influenced by geological structural planes like faults, joints, and shear planes. Small-scale shear-plane-like structures have damaging impact on the boundaries of the tunnel, which act as barrier and ...
Abdul Muntaqim Naji   +3 more
doaj   +2 more sources

Kinematics and Timing Constraints in a Transpressive Tectonic Regime: The Example of the Posada-Asinara Shear Zone (NE Sardinia, Italy)

open access: yesGeosciences, 2020
Detailed geological field mapping, integrated with meso- and microstructural investigations, kinematic of the flow and finite strain analyses, combined with geochronology, are fundamental tools to obtain information on the temperature–deformation–timing ...
Rodolfo Carosi   +5 more
doaj   +2 more sources

Quartz c-axis fabric characterization of the strike-slip ductile deformation within the Three Pagodas shear zone, western Thailand [PDF]

open access: yesHeliyon, 2022
The Three Pagodas shear zone is associated with mainland Southeast Asia deformations. The evolution of the shear zone is divided into deformation phases D1a, D1b, and D2.
Sittiporn Kongsukho   +1 more
doaj   +2 more sources

San-in shear zone in southwest Japan, revealed by GNSS observations

open access: yesEarth, Planets and Space, 2017
A right-lateral shear zone in the San-in region, southwest Japan, has been proposed by previous geological and seismological studies. It locates 350 km north of the Nankai Trough, that is, the main plate boundary between the subducting Philippine Sea and
Takuya Nishimura, Youichiro Takada
doaj   +2 more sources

Permeability Evolution During Shear Zone Initiation in Low-Porosity Rocks

open access: yesRock Mechanics and Rock Engineering, 2021
Using an innovative experimental set-up (Punch-Through Shear test), we initiated a shear zone (microfault) in Flechtingen sandstone and Odenwald granite under in situ reservoir conditions while monitoring permeability and fracture dilation evolution. The
C. Kluge   +4 more
semanticscholar   +1 more source

The Borborema Strike-Slip Shear Zone System (NE Brazil): Large-Scale Intracontinental Strain Localization in a Heterogeneous Plate

open access: yesLithosphere, 2021
Large-scale strike-slip faults are fundamental tectonic elements of the continental lithosphere. They constitute plate boundaries (continental transforms), separate terranes with contrasting geological histories within accretionary orogens, or ...
S. Neves   +3 more
semanticscholar   +1 more source

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