Visit a research station right here on Earth at The Franklin Institute's permanent Space Command exhibit.
Search the entire Franklin Institute website:
11/22/08 - The term "supervolcano" implies an eruption on the Volcano Explosivity Index of magnitude 8, meaning that more than 1,000 cubic kilometers (240 cubic miles) of magma are erupted. The most recent supervolcano on Earth occurred 74,000 years ago at the Toba Caldera in Sumatra, Indonesia. More Braindrops...