Earth & climate

Eruption of Kurile Lake

c. 6,440 BCE

Kurile Lake erupted around 6,440 BCE with a Volcanic Explosivity Index (VEI) of 7, one of the largest eruptions of the last 10,000 years. Eruptions of this size inject sulphur into the stratosphere and can cool the global climate for a year or more. The VEI is a logarithmic scale: each step means roughly ten times more erupted material. It took place around 6,440 BCE.

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The era

This moment belongs to the Human prehistory (300,000 years ago to 3,200 BCE), the human story before writing.