A thousand times as much as St. Helens?
Try TEN THOUSAND!!
Global temps crashed like 7-10 degrees Celsius for a thousand years, worldwide, human population is estimated to have fallen to about 5,000 individuals.
Unless I’m mistaken, this was the largest supervolcano event in like the last 500,000 years or so.
This is one of Blam’s faves, ask him about it.
Amazingly, the Hobbits on nearby Flores Island survived this catastrophe.