Mount Shasta, a steep-sided Cascade Range stratovolcano in Northern California, looms above Little Glass Mountain, a thick obsidian flow erupted from the Medicine Lake shield volcano about 1,000 years ...
Hoping to make the system clearer to the public and emergency officials, the U.S. Geological Society has revamped its nationwide volcano warning level system. Starting Sunday there will be four ...
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Italy's Campi Flegrei Volcano Was Ready to Erupt — Until Stanford Scientists Found a Way to Tame It
The ground around Italy’s active Campi Flegrei volcano has moved unpredictably for centuries. However, in the early 1980s, it suddenly rose by more than 6 feet with little warning. This dramatic rise ...
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