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Submarine slope failure scarps along the Cascadia subduction zone

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: June 07, 2026 at 10:47 PM | Dataset Last Updated: May 27, 2026 at 12:00 AM
Seafloor features identified as headward eroding mass failure scarps were digitized by hand from high-resolution multibeam bathymetry compilations (30 meter grids) across the Cascadia subduction zone, which spans the region offshore of northern California, Oregon and Washington. These features were initially published by Hill and others (2022; https://doi.org/10.1016/j.epsl.2022.117797) and here were present an updated version of this dataset.

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