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No volcanic winter in East Africa from ancient Toba eruption.

The supereruption 74,000 years ago did not trigger major

environmental disruption that caused human populations

in East Africa to decline, say geoscientists.

University of Arizona, February 6, 2018




The paper is:


Chad L. Yost, Lily J. Jackson, Jeffery R. Stone, Andrew S. 

Cohen. Subdecadal phytolith and charcoal records from 

Lake Malawi, East Africa imply minimal effects on human 

evolution from the ∼74 ka Toba supereruption. Journal of 

Human Evolution, 2018; 116: 75 DOI: 10.1016/j.jhevol.2017.11.005


https://www.geo.arizona.edu/sites/www.geo.arizona.edu/files/135 Yost et al 2018 Toba Malawi Jour Human Evol.pdf



Also, there is:


Modern humans flourished through ancient supervolcano 

eruption 74,000 years ago. University of Cape Town, March 12, 2018




The paper is:


Eugene I. Smith, Zenobia Jacobs, Racheal Johnsen, Minghua 

Ren, Erich C. Fisher, Simen Oestmo, Jayne Wilkins, Jacob A. 

Harris, Panagiotis Karkanas, Shelby Fitch, Amber Ciravolo, 

Deborah Keenan, Naomi Cleghorn, Christine S. Lane, 

Thalassa Matthews, Curtis W. Marean. Humans thrived 

in South Africa through the Toba eruption about 74,000 

years ago. Nature, 2018; DOI: 10.1038/nature25967






Paul H.

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