America on edge: “It’s getting ready to erupt” — one of its most active volcanoes worries scientists
"It's getting ready to erupt"—one of America's most active volcanoes has the country on edge. It is called the Axial Seamount ...
High over the island of Sicily, Mount Etna smolders as Europe’s most active volcano. Underneath its rough slopes, a network of magma chambers and fractures seethes in virtual quiet—until the earth ...
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