Where Volcanoes Are Born Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as ...

If the theory is proven correct, the consequences could be enormous, spelling a much more risky, explosive future.

1959 Kīlauea Iki eruption: It happened in the crater just north of the volcano’s caldera, lasting only about a month with 17 ...

One notable incident came on May 22, 1919, when a barrage of eruptive activity caused a 1,000-kilogram (2,205-pound) block of ...

Popocatépetl emerged in the crater of other volcanoes in its current form more than 20,000 years ago and has been active since 1994, spewing plumes of smoke, gas and ash more or less daily. The ...

After a year of explosive episodes, the summit continues inflating with fountaining possible as early as Wednesday.

The Hayli Gubbi volcano in Ethiopia's Afar region erupted on Sunday for the first time in nearly 12,000 years, sending thick ...

An international assessment report has been released to provide definitive statements on the atmospheric impacts from a huge ...

More than 2,000 earthquakes were recorded in one day. An underwater volcano off the coast of Oregon is gearing up for an eruption, according to volcanologists who are monitoring for activity. The ...

Taal Volcano in Batangas province stirred from a period of calm over the weekend after registering renewed seismic activity ...

Sharks were filmed swimming inside Kavachi, one of the world’s most violent underwater volcanoes, leaving scientists questioning how large predators survive heat, acid and eruptions in an environment ...

Scientists from Mexico’s National Autonomous University have created the first three-dimensional image of the Popocatépetl ...