Toba Theory. At about the same time as the toba volcano was blowing all those millennia ago our species was also going through a genetic bottleneck. The youngest toba eruption has been linked to a genetic bottleneck in human evolution about 70000 years ago 29 30 which may have resulted in a severe reduction in the size of the total human population due to the effects of the eruption on the global climate.
Researchers say toba spewed out. At about the same time as the toba volcano was blowing all those millennia ago our species was also going through a genetic bottleneck. The eruption seemed like a plausible cause for this drop in diversity.
The eruption seemed like a plausible cause for this drop in diversity.
At about the same time as the toba volcano was blowing all those millennia ago our species was also going through a genetic bottleneck. Sometime around 70000 years ago a massive super eruption occurred at what is now lake toba in sumatra indonesia. Ambrose of the university of illinois at urbana champaign. This may have occurred when around 7075000.