Massive magma pool found deep below Yellowstone

Discovery explains why supervolcano exhales so much carbon dioxide, but doesn’t up risk of eruption

Yellowstone's magma reservoir

HOT STUFF   Scientists have spotted a massive magma reservoir buried deep inside the Yellowstone supervolcano, connecting the mantle plume that fuels the volcanic system to a smaller magma chamber closer to the surface.

H.-H. Huang et al/Science 2015

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