The Washington continental margin presents both a classic test of submarine paleoseismology, and an opportunity to explore advancement of the field through analysis of sediment dispersal in a heterogeneous system.
Most “Segment C” ruptures were found to extend further northward to the latitude of Astoria Canyon.
Mean recurrence times are therefore revised to ~ 434 years for the Washington Coast, and ~ 340 years for the central and northern Oregon coast.
► Study area includes 3 US states, with high resolution in major rivers and estuaries.
► Hi-resolution LIDAR-based DEMs are shown to be essential for the inundation study.
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