The sleeping giant

Professor Iain Stewart tells the story of Mount St Helens' 1980 eruption. An earthquake-triggered landslide unleashed a sideways blast of hot gas and ash from this famous stratovolcano volcano (also known as a composite volcano) in the state of Washington, USA.

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4 minutes


Role Contributor
PresenterIan Stewart
Executive ProducerPhil Dolling
Assistant ProducerHelen Britton

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