Six Russian volcanoes erupted shortly after an 8.8 magnitude earthquake struck nearby, with a seventh possibly to follow. When you purchase through links on our site, we may earn an affiliate ...
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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