The Toba supereruption and the human bottleneck
About 74,000 years ago, on the island of Sumatra, the Toba volcano produced the largest eruption of the past two million years, nearly 2,800 km³ of magma, a 100-km-long caldera, an ash cloud reaching India. Did this catastrophe nearly wipe out humanity? The story of a spectacular theory, and of its undoing.
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