• 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

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    Earthquakes Begin Earthquakes Begin Earthquakes Begin
    Magma Rises Magma Rises Magma Rises
    Debris Avalanche Debris Avalanche Debris Avalanche
    Lateral Blast Lateral Blast Lateral Blast
    Scorch Zone Scorch Zone Scorch Zone
    Ashfall Zone Ashfall Zone Ashfall Zone
    Lahars Lahars Lahars
    Pyroclastic Flows Pyroclastic Flows Pyroclastic Flows

    Thanks to Our Sponsor

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    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.

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