Volcanoes are often judged by the size of their eruptions, but volcanologists measure danger differently. A volcano becomes truly hazardous when explosive potential intersects with large populations, ...

Mount Rainier is one of the most closely monitored volcanoes in the United States, but not for the reason most people think. While recent headlines sparked fears of a possible eruption, scientists say ...

Who will stop the Rain-ier? Scientists are warning that Washington’s Mount Rainier could unleash a catastrophic mudslide that has the potential to devastate three large towns within minutes. Often ...

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