No volcanic winter in East Africa from ancient Toba eruption.

[Oxytropidoceras]

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

https://www.sciencedaily.com/releases/2018/02/180206151850.htm

https://uanews.arizona.edu/story/no-volcanic-winter-east-africa-ancient-toba-eruption

 

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.researchgate.net/publication/323019180_Subdecadal_phytolith_and_charcoal_records_from_Lake_Malawi_East_Africa_imply_minimal_effects_on_human_evolution_from_the_74_ka_Toba_supereruption

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

https://www.sciencedirect.com/science/article/abs/pii/S0047248417302750?via%3Dihub

 

Also, there is:

 

Modern humans flourished through ancient supervolcano 

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

https://www.sciencedaily.com/releases/2018/03/180312132956.htm

https://www.bbc.com/news/science-environment-43377960

 

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

https://digitalscholarship.unlv.edu/geo_fac_articles/145/

https://www.nature.com/articles/nature25967

 

Yours,

 

Paul H.