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 ...
One of the most explosive volcanoes in U.S. history began its eruption with a trickle, not a blast. Mount St. Helens' gas-laden magma oozed into the cone before the mountain finally erupted in 1980.
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