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  • Mount St Helens looks serene, in this picture, a few years before the volcano eruption happened in 1980.
  • On May 18th, 1980, an earthquake struck below the volcano of Mount St Helens, triggering the largest landslide in history.
  • An earthquake struck below the North face of Mount St. Helens in Washington state, triggering the largest landslide in recorded history and a major volcanic eruption that scattered ash across a dozen states.
  • Mount St. Helen is the most active volcano in the Cascade Range. Its most recent series of eruptions began in 1980 when a large landslide and ended 6 years later after more than a dozen extrusions of lava built a dome in the crater.
  • After Mount St. Helens erupted, after two months of increasing volcanic activity. Since its most recent eruption in 2008, there has been a swarm of earthquakes, which are thought to be a result of the magmatic system's
  • The eruption killed 57 people, in the lateral blast, ashfall, and lahars. The causes to death included asphyxiation, thermal injuries, and trauma. Four indirect death were caused by a cropduster hitting powerlines during the ashfall, a traffic accident during poor visibilty, and two heart attacks from shoveling ash.
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