Video encyclopedia

Mount St. Helens


Footage of the 1980 Mount St. Helens Eruption


Mount St. Helens Disintegrates in Enormous Landslide


Mount St. Helens is about to Blow Up


The 42nd anniversary of the Mount St. Helens eruption


This Brave Student Captured the Mount St. Helens Blast

Mount St. Helens or Louwala-Clough is an active stratovolcano located in Skamania County, Washington, in the Pacific Northwest region of the United States. It is 50 miles (80 km) northeast of Portland, Oregon and 96 miles (154 km) south of Seattle, Washington. Mount St. Helens takes its English name from the British diplomat Lord St Helens, a friend of explorer George Vancouver who made a survey of the area in the late 18th century. The volcano is located in the Cascade Range and is part of the Cascade Volcanic Arc, a segment of the Pacific Ring of Fire that includes over 160 active volcanoes. This volcano is well known for its ash explosions and pyroclastic flows.
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