Cascadia Earthquakes & Tsunami Hazard Studies
Sonne International Cooperative ScientistsFrom left to right: Captain of the Sonne (name unknown). Photograph by Hank Chezar
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U.S. Department of the Interior | U.S. Geological Survey | Western Coastal & Marine Geology
URL: http://walrus.wr.usgs.gov/earthquakes/cascadia/group.html
maintained by Laura Zink Torresan
created 15 July 1998