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The 1350 BC was not a super eruption. The last of those in Yellowstone was 640,000 years ago. Instead it was most likely a phreatic eruption, essentially a steam explosion. This type of eruption does not erupt fresh material from magma. Instead water come in contact with magma or superheated rocks underground and flashes to steam, reulting in an explosion. These eruptions can produce clouds of ash as rocks in or on a volcano are blasted apart.

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11y ago

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