News That Matters

Tag: supervolcanic

Study: Humans in South Africa thrived during Toba super-volcanic eruption

Study: Humans in South Africa thrived during Toba super-volcanic eruption

Science
March 12 (UPI) -- The Toba super-volcanic eruption that occurred 74,000 years ago significantly altered Earth's atmosphere and ecosystems around the planet, yielding hardship for most species, including humans.But new research suggests that hunter-gatherers living on the coast of Southern Africa thrived in the wake of the massive eruption.When Mount Toba, located in Indonesia, erupted some 74,000 years ago, the volcano spewed rock, gas and tiny glass fragments called cryptotephra into the atmosphere. These hook-shaped glass particles, identifiable under a microscope, spread across the globe.While analyzing sediment from an archaeological site called Pinnacle Point near the town of Mossel Bay, South Africa, scientists found a shard of Toba glass. When formed, cryptotephra trap a chemical si...