Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. How and if a volcano explodes depends on how and when bubbles of ...
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Yellowstone’s magma system may be missing a key gas and that matters
Yellowstone’s volcanic heart is one of the largest magmatic systems on Earth, yet the park’s steaming vents and geysers are missing a gas that usually signals magma close to the surface. That absence, ...
The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma—and when. Until now, it was thought that gas bubbles were formed primarily when the ambient pressure dropped ...
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