Supervolcano worse than Vesuvius on brink of eruption for first time in 500 years dailystar.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailystar.co.uk Daily Mail and Mail on Sunday newspapers.
An eruption could cause mass extinctions, obliterate crops, and see people living nearby evacuated - but scientists deny such an incident is inevitable and explain what triggers would push it to potential breaking point.
The thought of a possible volcanic eruption is pushing people to ask questions. And of course, how to prepare for Yellowstone eruption will be one of them.