Subduction of an oceanic plateau across southcentral Alaska: Scattered‐wave imaging

ME Mann, GA Abers, KA Daly… - Journal of Geophysical …, 2022 - Wiley Online Library
An oceanic plateau, the Yakutat terrane, has entered the subduction system across
southcentral Alaska. Its down‐dip fate and relationship to overlying volcanism is still …

The thermal regime of NW Canada and Alaska, and tectonic and seismicity consequences

RD Hyndman - Geochemistry, Geophysics, Geosystems, 2023 - Wiley Online Library
NW Canada and Alaska are the continuation of the North American Cordillera through
Mexico, western USA and western Canada. I show that they have similar thermal regimes …

Surface wave isotropic and azimuthally anisotropic dispersion across Alaska and the Alaska‐Aleutian subduction zone

C Liu, S Zhang, AF Sheehan… - Journal of Geophysical …, 2022 - Wiley Online Library
Comprehensive observations of surface wave anisotropy across Alaska and the Aleutian
subduction zone would help to improve understanding of its tectonics, mantle dynamics, and …

Seismic azimuthal anisotropy beneath the Alaska subduction zone

C Liu, AF Sheehan… - Geophysical Research …, 2024 - Wiley Online Library
We estimate depth‐dependent azimuthal anisotropy and shear wave velocity structure
beneath the Alaska subduction zone by the inversion of a new Rayleigh wave dispersion …

Measurement of surface‐wave phase‐velocity dispersion on mixed inertial seismometer–distributed acoustic sensing seismic noise cross‐correlations

A Nayak, J Ajo‐Franklin - Bulletin of the Seismological …, 2021 - pubs.geoscienceworld.org
The application of ambient seismic noise cross‐correlation to distributed acoustic sensing
(DAS) data recorded by subsurface fiber‐optic cables has revolutionized our ability to obtain …

Variations in lithospheric thickness across the Denali fault and in northern Alaska

I Gama, KM Fischer, CA Dalton… - Geophysical Research …, 2022 - Wiley Online Library
While variations in crustal structure beneath the Denali fault in Alaska are well‐documented,
the existence of fault‐correlated structures throughout the entire thickness of the continental …

Double‐difference adjoint tomography of the crust and uppermost mantle beneath Alaska

G Chen, J Chen, C Tape, H Wu… - Journal of Geophysical …, 2023 - Wiley Online Library
We perform adjoint waveform tomography to reveal the P‐wave velocity structure of the crust
and uppermost mantle in Alaska by using common‐source double‐difference traveltime …

Mapping the lithosphere and asthenosphere beneath Alaska with Sp converted waves

I Gama, KM Fischer, J Hua - Geochemistry, Geophysics …, 2022 - Wiley Online Library
We obtained a 3D image of crust and mantle seismic velocity gradients beneath the state of
Alaska using common‐conversion point (CCP) stacking of S‐to‐p converted body waves …

Amphibious shear wave structure beneath the Alaska‐Aleutian subduction zone from ambient noise tomography

L Feng - Geochemistry, Geophysics, Geosystems, 2021 - Wiley Online Library
I present a 3‐D isotropic shear wave velocity model of the crust and uppermost mantle
beneath the Alaska‐Aleutian subduction zone offshore of the Alaska Peninsula, based on …

Teleseismic attenuation, temperature, and melt of the upper mantle in the Alaska subduction zone

RA Soto Castaneda, GA Abers, ZC Eilon… - Journal of …, 2021 - Wiley Online Library
Seismic deployments in the Alaska subduction zone provide dense sampling of the seismic
wavefield that constrains thermal structure and subduction geometry. We measure P and S …