Yellowstone
CountryUSA
TypeCaldera
Elevation2805 m
Last EruptionHydrothermal
About Yellowstone
A supervolcano capable of producing an eruption 1000x larger than Mount St. Helens. Magma chamber is 70 km long containing 15,000 km3 of molten rock. Has 10,000+ geothermal features including Old Faithful. Probability of super-eruption in any given year: 1 in 730,000.
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