Yet as destructive as volcanoes can be, they pale in comparison to supervolcanoes — colossal geothermal formations capable of ejecting over 240 cubic miles of material in a single eruption.

Three supervolcanoes that are more dangerous than Yellowstone and could wipe out the entire planet. Earth is hiding the ...

Now, it's extremely unlikely that one of these supervolcanoes would go off anytime soon, let alone multiple eruptions at once. But, for curiosity's sake, what would happen if all the world's ...

Beneath the Earth’s surface are ticking time bombs. Two supervolcanoes, located in Italy and California, have long been dormant, but have been stirring as earthquakes in the region become more ...

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It was also one of only about 50 supervolcanoes to have erupted since man walked the planet, none of which have occurred in recorded history. Its existence was only unveiled in 2012 when ...

Volcanoes, volcanic eruptions, disaster preparedness, supervolcanoes, volcanoes in the western U.S. Greg A. Valentine is a volcanologist — a geologist who specializes in volcanoes and the processes ...