Beneath the ground of Yellowstone National Park, lies a monster volcano that had it’s last supereruption over 630,000 years ago… and it could erupt again. Josh King has the story (@abridgetoland).
A supervolcano lies under Yellowstone National Park
October 11, 2017
Buzz60 - ▶ 00:52
GeoBeats - ▶ 00:54
Wochit News - ▶ 00:43