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 ...
After lying dormant for an astonishing 700,000 years, Iran’s Taftan volcano is stirring. Recent observations suggest that this ancient stratovolcano, located in southeastern Iran, is beginning to rise ...
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