Mount St. Helens Eruption Slowing, Scientists Say

The eruption of Mount St. Helens that began two years ago is slowing down, a U.S. Geological Survey scientist says, but experts have no estimate of when the current eruption will end. More Details

Video: Time-Lapse Of Dome’s Growth

Video: Time-Lapse Of Fin Growth

Video: Thermal Imaging Of Rock Avalanche

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Video: Mount St. Helens' Eruption Day, 1980

Life on earth took a jolt when the mountain blew its top on May 18, 1980, spawning mudflows and leveling hundreds of square miles of forests. More Details

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Interactive: Anatomy Of A Volcano

See an animated view of how volcanoes work. More Details

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