The Yellowstone supervolcano has two magma chambers, say scientists

A detailed map of the bubbling magma below the Yellowstone supervolcano could help experts reveal when the next deadly eruption may happen. The monstrous volcano - which last erupted around 640,000 years ago - has dual magma chambers. Now, a new computer model has revealed a'transition zone' that may control the movement of magma in these chambers. The new research doesn't currently reveal when the next eruption might happen, but it could help scientists put together predictions in the future. The mammoth volcano blows roughly every 600,000 to 700,000 years, meaning an eruption could be imminent.