A supervolcano is like a regular volcano on steroids. If it erupts, it would kill 100,000 people in an instant. And expel over a thousand times more material than a regular volcano. It would send so ...

Each mineral in a volcanic deposit is like a microscopic thermometer that records magma chamber temperature over time.

Hawaii’s Kilauea volcano erupted for six hours on Wednesday. Officials say lava fountains reached 1,300 feet or 400 meters ...