University of Washington Pacific Northwest Seismograph Network (PNSN) Earthquake Data

The Pacific Northwest Seismograph Network (PNSN), a member of the Center for National Security Studies CNSS, is centered at the University of Washington's Dept. of Earth and Space Sciences . 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, U.S. Department of Energy, and the State of Washington. PNSN data help scientists understand Pacific Northwest earthquake hazards, predict volcanic eruptions at Mount St. Helens, and determine the location of faults and volcanic magma chambers. Data includes: - Catalogs consisting of summary lines of earthquake information since 1970 - Trace data and strong motion - Focal Mechanisms - Shaking intensity - Historic earthquakes (especially in the Cascades area since the 1700's) - Quarterly reports since 1995 - Annual reports since 1995