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Magma found under volcanoes thought dormant in the Cascade Range
Not counting the underwater volcanoes along the 16,000-kilometre Mid-Atlantic Ridge, there are anything from 1,350 to over 1,500 "active" volcanoes worldwide, going by estimates from the USGS and ...
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Volcano Safety Tips
Millions of people around the world live near one of the roughly 1,500 active volcanoes on Earth—from Italy’s Campi Flegrei to Indonesia’s Merapi to the United States’ Mount Rainier.