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Mount St. Helens is a part of the Cascade Volcanic Arc, which is a portion of the Pacific Ring of Fire and encompasses more than 160 active volcanoes.
Mount St. Helens is best known for its hugely destructive eruption on May 18, 1980, which killed 57 people, and destroyed 250 homes, 47 bridges, 15 miles of railways, and 185 miles of highway and is considered to be the deadliest volcanic eruptions in United States history.
You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
M$
You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
M$
