Ash from the Toba supereruption in Lake Malawi shows no volcanic winter in East Africa at 75 ka.

@article{Lane2013AshFT,
  title={Ash from the Toba supereruption in Lake Malawi shows no volcanic winter in East Africa at 75 ka.},
  author={Christine S. Lane and Ben T Chorn and Thomas C. Johnson},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2013},
  volume={110 20},
  pages={8025-9}
}
The most explosive volcanic event of the Quaternary was the eruption of Mt. Toba, Sumatra, 75,000 y ago, which produced voluminous ash deposits found across much of the Indian Ocean, Indian Peninsula, and South China Sea. A major climatic downturn observed within the Greenland ice cores has been attributed to the cooling effects of the ash and aerosols ejected during the eruption of the Youngest Toba Tuff (YTT). These events coincided roughly with a hypothesized human genetic bottleneck, when… CONTINUE READING
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