The Conversation

Where were you when the mountain blew? Remembering the eruption of Mount St Helens

Author: The Conversation USA

Plinian Column.US Geological Survey, Author provided

May 18, 1980. On that fateful day, Mt St Helens Volcano in Washington exploded violently after two months of intense earthquake activity and intermittent, relatively weak eruptions, causing the worst volcanic disaster in the recorded history of the United States. – US Geological Survey...

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