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South Sister, Cascades Range
Photo credit: Krista Reynolds, 2008
Pacific NW Geology Resources
Oregon Department of Geology and Mineral Industries
Find interactive maps and information about Oregon's geology, including geohazards, mineral land regulation, and oil, gas, and geothermal programs.
Use the Advanced Search page to find USGS publications by region, state, series, and topic.
Cascades Volcano Observatory
Provides news and current events regarding volcanoes in the Cascade Range. Includes hazards assessment reports and educational materials. Information provided by the USGS.
Mount St. Helens National Volcanic Monument
Information about the history of Mt. St. Helens, current status, and visitor’s guides. Also includes webcams.
Check this out!
Check the catalog for additional online and print books on Pacific Northwest Geology.