U.S. Department of the Interior/Geo. Survey/Pacific Marine Geology

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http://walrus.wr.usgs.gov/

Strives to address key marine and coastal issues, increase understanding of geological processes affecting these realms, and ultimately improve predictive capabilities to help guide the preservation and sustainable development of the nation's marine and coastal regions. Offers links to information on seismic activity, information on the Monterey bay area, and sea floor images. Also features a link to a more graphic-intensive version of the site. Contains many resources.