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40 Years After the Mount St. Helens Eruption

Why does the volcano's location continue to mystify geologists? Did you know its fiery breath carved breathtaking ice caves into the land? Four decades after Mount St. Helens roared to life in the deadliest eruption in U.S. history, we take another look at one of the country's most prominent—and infamous—peaks.

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    • Science
    • Mount St. Helens
    • Pacific Northwest
    • Volcanoes
    • Earth Science
40 Years After the Mount St. Helens Eruption
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    Mount St. Helens isn't where it should be. Scientists may finally know why.

    Mount St. Helens isn't where it should be. Scientists may finally know why.

    The volcano is responsible for the deadliest eruption in the U.S., yet many mysteries remain about the closely watched peak, including why it formed in the first place.

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