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The Pacific Northwest Seismograph Network - http://www.pnsn.org/
Based at the University of Washington, the PNSN operates seismograph stations and locates earthquakes in Washington and Oregon and provides information on Pacific Northwest earthquake activity and hazards. |
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Pacific Northwest Seismograph Network - http://www.geophys.washington.edu/SEIS/PNSN/
Operates seismograph stations, locates earthquakes in Washington, and disseminates information on regional earthquake and geologic hazard activity. |
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Washington Division of Geology and Earth Resources - http://www.dnr.wa.gov/ResearchScience/GeologyEarthSciences/Pages/Home.aspx
Part of the Department of Natural Resources. Includes bibliography of Washington geology, news, FAQ, links, and educational resources. |
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Washington Obsidian Sources - http://www.sourcecatalog.com/wa/s_wa.html
List of locations that are sources of obsidian across the state. Also includes a scientific bibliography. |