On this day in 1980, triggered by a powerful earthquake, Mount St. Helens volcano erupted in Washington state, killing 57 people and forever changing the surrounding landscape.See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.

On this day in 1980, triggered by a powerful earthquake, Mount St. Helens volcano erupted in Washington state, killing 57 people and forever changing the surrounding landscape. See omnystudio.com/listener for privacy information.

On this day in 1980, triggered by a powerful earthquake, Mount St. Helens volcano erupted in Washington state, killing 57 people and forever changing the surrounding landscape.See <a href="https://omnystudio.com/listener" rel="noopener noreferrer">omnystudio.com/listener</a> for privacy information.

Mount St. Helens erupts in Washington state - May 18th, 1980

From the desk of “Stuff You Missed in History Class,” “This Day in History Class” quickly recounts a tidbit from today’s events in history.

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Mount St. Helens erupts in Washington state - May 18th, 1980

Mount St. Helens erupts in Washington state - May 18th, 1980