the.com/caldera

the volcano that ate itself and left a crater the size of a county

means A large crater formed when a volcano collapses into its emptied magma chamber, often after a massive eruption.

from From Spanish 'caldera,' meaning 'cauldron' or 'cooking pot,' which traces back to Late Latin 'caldaria' (a pot for heating water), from Latin 'calidus' (warm, hot) — the same heat-root behind 'cauldron' and 'scald.' Spanish and Portuguese explorers and geologists applied the word to these vast volcanic basins because they looked, fittingly, like the world's biggest boiling pots.

birth
forms when an emptied magma chamber collapses inward
yellowstone
the whole park sits inside one
scale
some span over 60 miles across
crater lake
a flooded caldera, deepest lake in America
supervolcano
the largest eruptions all leave calderas
for instance

yellowstone caldera — massive volcanic crater in wyoming, usa, erupted 640,000 years ago covering 1,500 square miles

lake toba caldera — sumatra, indonesia, site of supervolcano eruption 74,000 years ago, largest eruption in 25 million years

crater lake caldera — oregon, usa, formed 7,700 years ago from mount mazama collapse, deepest lake in north america

santorini caldera — greek island, erupted ~1600 bce destroying minoan civilization, still active with submarine volcano

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