![Mount St. Helens Geology Lesson: ‘Trashcano’]()
Forty years ago, Mount St. Helens, an active stratovolcano in Southwest Washington, erupted killing 57 people and covering much of the northwest in ash. The major eruption on May 18, 1980 remains the deadliest and most economically destructive volcanic event in U.S. history. To honor the anniversary, Chad Pritchard, chair of the EWU Geology Department,…
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