Skip to main content
U.S. flag

An official website of the United States government

Cascadia margin bathymetry

Detailed Description

Bathymetry data from various sources, including newly released 2018 and 2019 multibeam data collected by the National Oceanic and Atmospheric Administration (NOAA) and the U.S. Geological Survey (USGS), were combined to create a composite 30-m resolution multibeam bathymetry surface of the southern Cascadia Margin offshore of Oregon and northern California.


Public Domain.

USGS data release
Composite multibeam bathymetry surface and data sources of the southern Cascadia Margin offshore Oregon and northern California, by Dartnell, P., Conrad, J.E., Watt, J.T., and Hill, J.C., published 8/23/21.