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Related terms:
ash
tuff
lava
magma
pumice
lake
caldera
igneous
volcano
lava flows
geology
eruption
subsidence
volcanic
formed
crater lake
collapse
geological
yellowstone
years ago
explosive
explosion
million years
volcanic activity
united states
Wikipedia sources: Mount Mazama Caldera Geology Mount Tambora Yellowstone Caldera Context for words: magma chamber |
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