And although those volcano eruptions are not part of a trend, experts have said, the volcanoes in question are far from the only dangerous ones in the world. When assessing which volcanoes are the most dangerous in the world,

Officials are investigating after a man died following an airlift from a restricted zone at Hawaii Volcanoes National Park.

One of the most popular attractions on the Big Island, the park offers some of the best volcano viewing in the world.

The recent avalanche that killed nine people in California raises questions about just how safe the fast-growing adventure tourism sector is.

On March 8, 1979, NASA's Voyager 1 spacecraft discovered active volcanoes on Jupiter's moon Io. [‘On This Day in Space’ Video Series on Space.com] Before Voyager 1 flew by Io, scientists believed the moon to be a dead world much like Earth's moon.