Structural Controls on Megathrust Slip Behavior Inferred From a 3D, Crustal‐Scale, P‐Wave Velocity Model of the Alaska Peninsula Subduction Zone
T. Acquisto,
A. Bécel,
J. P. Canales
et al.
Abstract:In subduction zones, along‐strike and downdip variations in megathrust slip behavior are linked to changes in properties of the subducting and overriding plates. Although marine geophysical methods provide insights into subduction zone structures, most surveys consist of sparse 2D profiles, limiting our understanding of first‐order controls. Here, we use active‐source seismic data to derive a 3D crustal‐scale P‐wave velocity model of the Alaska Peninsula subduction zone that encompasses both plates and spans t… Show more
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