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Mount St. Helens Special Map

Special Map

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Click on an earthquake on the above map for more information.
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Special maps: Mount St. Helens || Seattle Region
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Maps are updated within about 5 minutes of an earthquake or once an hour.
Brown lines represent known hazardous faults or fault zones. White lines are roads.
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Update time = Sat Jul 4 7:00:01 PDT 2009
There are no earthquakes on this map at this time.

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[Special maps: Mount St. Helens || Seattle Region]
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Data Sources

Participants in operating the Pacific Northwest Seismograph Network include:
University of Washington Dept. of Earth and Space Sciences
Oregon State University Geophysics Group
University of Oregon Department of Geology

all members of the Advanced National Seismic System (ANSS)
Financial support is provided by the U.S. Geological Survey, U.S. Department of Energy, and the State of Washington