A supervolcano is a volcano capable of producing a volcanic eruption with ejecta greater than 1,000 cubic kilometers (240 cubic miles). This is thousands of times larger than most historic volcanic eruptions. Su … see full wiki
If we are able to survive a supervolcano eruption, then it'll be a marvel to watch it! Otherwise, God save us all! In the meantime, if you don't know this already, there are 6 in the world that's due to erupt, 3 of them are in the U.S.! The Yellowstone (The most dangerous of them all) Long Valley (Eastern California, adjacent to Mammoth Mountain) Valles Caldera (Northern New Mexico) The other 3 … more
The last one erupted some 74,000 years ago at Lake Toba, Sumatra, Indonesia. That's where my childhood playground was! Yellowstone is expected to erupt anytime soon or possibly not in the next few lifetime. It's due for one though.