The PNSN seeks to reduce risk within the states of Washington and Oregon by

  1. monitoring ground motions within the region in order to better understand earthquake and volcano hazards and their impacts on the physical, economic, political, and social environment,
  2. providing the most accurate information about earthquakes and volcanoes as rapidly as possible to public officials, the public, and for education, and
  3. advocating comprehensive and cost-effective measures for reducing the harmful effects of earthquakes and volcanoes.