A "super volcano" is an incredibly large volcano that has the potential to cause massive eruptions, which can affect the climate and cause major damage. Full definition
Add this to the fact that you're actually in the crater of what was once one of the world's largest super volcanoes and it's almost difficult to take it all in. (atitlanliving.com)
Back in the lab, Smith and UNLV post-doctoral fellow Racheal Johnsen, graduate student Amber Ciravolo, and undergraduate Shelby Fitch studied samples of the glass to trace it to the Toba super volcano. (unlv.edu)
Tamino has posted two examinations of the «volcanoes emit more CO2 than humans» argument by looking at the impact of the 1991 Pinutabo eruption on CO2 levels and the impact of past super volcanoes on the CO2 record. (skepticalscience.com)