Yellowstone supervolcano 2.5 times bigger than thought

Credit: MGN Online

Yellowstone supervolcano 2.5 times bigger than thought

December 18, 2013 Updated Dec 18, 2013 at 1:07 PM CDT

A new report says the supervolcano below Yellowstone National Park is 2.5 bigger than previously thought.

The research still needs to be peer reviewed, but it's a scary reminder of what could happen. Find out more by watching the video below.