• 1980 Eruption
  • 2004 - 2008 Eruption
  • Crater Glacier
  • Past Eruptions
  • Facts and Research
  • Eruption Impacts and Return of Life
  • Changing Landscape
  • Facts and Research
  • Guided Hikes and Programs
  • Youth Volcano Camps
  • Field Trips
  • Community Events
  • Teacher Workshops
  • Volunteer
  • Overview
  • Indoor Facilities
  • Field Camp
  • Reservations
  • Activities
  • Volunteer at SLC
  • Geology Lessons
  • Biology Lessons
  • Plan Your Field Trip
  • Classroom Programs
  • Teacher Workshops
  • Useful Links

    • Spirit Lake Transformed

    Spirit Lake was completely displaced by the debris avalanche before rushing back to a lakebed raised 200 feet. Its once pristine waters were transformed into a bubbling bacterial brew.

    Back to Return to Life
    USFS / Jim Hughes USFS USFS University of Washington / Jerry Franklin USFS / Fred Swanson USFS / Jim Hughes US Army Corps Engineers / Robert Heims US Army Corps Engineers / Robert Heims US Army Corps Engineers / Robert Heims University of New Mexico / Cliff Dahm University of New Mexico / Cliff Dahm US Army Corps Engineers / Robert Heims US Army Corps Engineers / Robert Heims Robert Parmenter Doug Larson
    prev
    next

    Thanks to Our Sponsor

    Become a Sponsor

    The Mount St. Helens Science and Learning Center is a collaborative effort of the Mount St. Helens Institute and the U.S. Forest Service, Mount St. Helens National Volcanic Monument. Our mission is to connect people with nature through science, the arts and adventure recreation.

    MSHI U.S. Forest Service Logo