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3,600 years ago—Native Americans abandoned hunting grounds devastated by an enormous eruption four times larger than the May 18, 1980 eruption.

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3,600 years ago—Native Americans abandoned hunting grounds devastated by an enormous eruption four times larger than the May 18, 1980 eruption.

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Mount St. Helens remains a world-famous natural laboratory for the study of Earth’s processes and also nature’s response to catastrophe.

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Mount St. Helens remains a world-famous natural laboratory for the study of Earth’s processes and also nature’s response to catastrophe.

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The column of ash and gas reached 15 miles into the atmosphere

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The column of ash and gas reached 15 miles into the atmosphere

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Within 15 minutes, a vertical plume of volcanic ash rose over 80,000 feet.

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Within 15 minutes, a vertical plume of volcanic ash rose over 80,000 feet.

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in the western part of the Cascade Range

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in the western part of the Cascade Range

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< 40,000 yrs

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has killed 57 people

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During the past 4,000 years, Mount St. Helens has erupted more frequently than any other volcano in the Cascade Range. 

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During the past 4,000 years, Mount St. Helens has erupted more frequently than any other volcano in the Cascade Range. 

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largest landslide in recorded history

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Skamania County, Washington, United States

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Skamania County, Washington, United States

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WOW

At 8:32 Sunday morning, May 18, 1980, Mount St. Helens erupted and blew down or scorched 230 square miles of forest