Supervolcanoes: Is Yellowstone Overdue?

We keep hearing that a Yellowstone supervolcano could blow at any moment — and possibly wipe us all out. So is Yellowstone overdue for the BIG ONE, and if it happens, how bad could it be? To find out, we talk to Yellowstone Volcano Observatory Scientist-in-Charge Dr. Mike Poland. Learn more about your ad choices. Visit podcastchoices.com/adchoices