• Key Information

  • Mount St Helens

  • Type
    Stratovolcano
  • Status
    Active
  • Height
    8,363 ft
  • Last Major Eruption
    1980
  • Other Names
    Lawetlat'la, Loowit, Louwala-Clough
  • Learning Point
  • Mount St Helens is an active volcano, famous for its eruption in 1980 which changed the shape and structure of the mountain, killing 57 people.
  • An almost perfectly formed volcano, it had a very clean cone shape, which was only changed as a result of the eruption.
  • Project
  • Draw Mt St Helens erupting.
  • Location
  • Located in
    Washington State, United States
  • Fun Facts
  • The eruption of the volcano on May 18, 1980 was the deadliest and most economically destructive volvanic eruption in the United States history.
  • 200 homes, 47 bridges, 15 miles of railways, and 185 miles of highway were destroyed.
  • An earthquake, along with the eruption, reduced the mountain from 9,677 ft to 8,363 ft, and left a mile long crater.
  • David A. Johnston was a volcanologist who was killed in the eruption. He was working on the nearby Coldwater Ridge. He was 30 years old.