Reply #20: In the documentary they talked about Super Volcanoes that would [View All]

[applegrove]

start a planetary winter if they blew. There were about 20 in the world and they said Yellowstone was the only one (or one of) the only ones on land. The rest were underwater (I am assuming that underwater is better in terms of ash somehow..as a island is built up front he sea bottom.. but I do not know).

That when the Philippine volcano (a big one but not a super volcano) went off in the early 1990s it changed the climate for a bit. But that the Super Volcanoes will change the world. But they only happen in hundreds of thousands of year intervals and humans have only been living in the past 10,000 in societies.

I go and look and see if any of them blew in the past 10,000 years. Perhaps Thera? I don't know.