Welcome Preppers and Survivalists,
I enjoy thinking about those rare but extreme disasters, like ...
YouTube - Supervolcano
Fiction vs. Fact
Needless to say, this movie is exactly that ... a movie; even though, it's based on the science and is kind'a realistic.
Science News - Supervolcano blast would blanket U.S. in ash
Live Science - Super Volcano Will Challenge Civilization, Geologists Warn
Of course, I can't go without a link to ...
Wikipedia - Supervolcano