Researchers ponder what’s next in volcanic Yellowstone | Ars Technica
“But there is bad news. An examination of the shape and composition of crystals formed in previous eruptions indicate that the molten material experienced a rapid ascent to the surface, and didn’t end up sitting in pools closer to the surface before being ejected. This suggests that a recharging of the deep magma reservoir could lead to relatively rapid eruptions, and there might not be any clear sign of the magma moving towards the surface from there that would tip us off to the coming eruptions.”
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