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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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