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USGS/Cascades Volcano Observatory, Vancouver, Washington

Pacific Northwest Seismic Network (PNSN)
University of Washington Geophysics Program

Information on Pacific Northwest earthquake activity and hazards is provided by the Pacific Northwest Seismic Network (PNSN) which operates seismograph stations and locates earthquakes in Washington and Oregon. The PNSN is operated jointly by the University of Washington, the University of Oregon, and Oregon State University, and is funded by the U. S. Geological Survey, the Department of Energy, and the State of Washington. The PNSN is based at the Geophysics Program of the University of Washington in Seattle, and is a member of the Council of the National Seismic Systems (CNSS), a group of regional network operators who cooperate to locate and catalog earthquakes throughout the United States. -- Information courtesy University of Washington's Geophysics Program, 1998

In addition to locating regional earthquakes, the Pacific Northwest Seismic Network (PNSN), in cooperation with the Cascades Volcano Observatory, is also responsible for monitoring seismic activity at volcanoes in the Pacific Northwest. The PNSN currently operates seismometers on or near Mount Adams, Mount Rainier, Mount St. Helens, Mount Hood, Mount Baker, Three Sisters, and Crater Lake. -- Information courtesy University of Washington's Geophysics Program, 2001

Link to: Pacific Northwest Seismic Network Website


Location Maps

Map, Seismic stations 2003, Seismic Monitoring at Cascade Volcanic Centers - The Big Picture
Informational text and shaded relief map showing locations of all PNSN/NCSN seismic stations operating in the Pacific Northwest as of November, 2003. Map includes the 13 major Cascade volcanic centers.
-- Excerpt from: Moran, 2005, USGS Scientific Investigations Report 2004-5211

Map, Pacific Northwest Seismic Network, click to enlarge [Map,30K,InlineGIF]
1998, Washington and Oregon
University of Washington's Pacific Northwest Seismic Network
-- Modified from: University of Washington Geophysics Program, 1998, includes seismic station location map and link to PNSN

Map, Pacific Northwest Seismic Network - Oregon and Southern Washington, click to enlarge [Map,30K,InlineGIF]
1998, Oregon and Southern Washington
University of Washington's Pacific Northwest Seismic Network
-- Modified from: University of Washington Geophysics Program, 1999, includes seismic station location map and link to PNSN

Map, Pacific Northwest Seismic Network - Mount St. Helens, click to enlarge [Map,16K,InlineGIF]
1997, Mount St. Helens, Washington
University of Washington's Pacific Northwest Seismic Network
-- Modified from: University of Washington Geophysics Program, 1997

Map, Pacific Northwest Seismic Network - Mount Rainier, click to enlarge [Map,13K,InlineGIF]
1997, Mount Rainier, Washington
University of Washington's Pacific Northwest Seismic Network
-- Modified from: University of Washington Geophysics Program, 1997

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12/04/07, Lyn Topinka