Mount St. Helens
On May 18, 1980, Mount St. Helens exploded with a force comparable to 500 Hiroshima-sized atom bombs. David Johnston, a United States Geological Survey (USGS) geologist based at a m...
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Mount St. Helens - A Case Study
Location
Mount St. Helens is located in northwest U. S. A. in Washington State. Mount St. Helens is part of the Cascade Mountain range. The mountain ov...
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Volcanoes have been around since the beginning of time, they're very powerful and dangerous. These natural disasters can kill thousands of people, animals, and plant life in a matter of seconds. This ...
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Mount St. Helens
