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Article Dans Une Revue Geochemistry, Geophysics, Geosystems Année : 2023

Seismic Imaging of the Westward Transition From Yakutat to Pacific Subduction in Southern Alaska

Florian Millet
Stéphane Rondenay
Carl Tape

Résumé

• We apply a multi-mode 3D Kirchhoff migration to a new composite seismic data set from six arrays deployed in Alaska from 2000 to 2018 • We observe a sharp lateral boundary in the slab structure with a 10 km Moho step just offshore Anchorage from the Pacific to the Yakutat slab • Our observations suggest that the crust is still partially uneclogitized down to 150 km depth in both slabs
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Dates et versions

hal-04313023 , version 1 (28-11-2023)

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Florian Millet, Stéphane Rondenay, Thomas Bodin, Carl Tape. Seismic Imaging of the Westward Transition From Yakutat to Pacific Subduction in Southern Alaska. Geochemistry, Geophysics, Geosystems, 2023, 24 (11), ⟨10.1029/2022gc010374⟩. ⟨hal-04313023⟩
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