An eruption at one of Hawaii’s most famous volcanoes produced an unexpected and mesmerizing effect. When Halemaʻumaʻu crater ...

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 massive rafts floating ...

From USGS Hawaiian Volcano Observatory livestreaming V2cam, a plume-like fountain erupted from the north vent during episode ...

1959 Kīlauea Iki eruption: It happened in the crater just north of the volcano’s caldera, lasting only about a month with 17 episodes and inclined lava fountains, including the highest lava fountains ...

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

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

Mount Etna is Europe’s most active volcano and the continent’s largest. It attracts hikers and backpackers to its slopes, ...

Popocatépetl emerged in the crater of other volcanoes in its current form more than 20,000 years ago and has been active ...

An underwater volcano off the coast of Oregon that was forecast to erupt sometime this year doesn’t look imminent, according to volcanologists who are closely monitoring it. The Axial Seamount is ...

Phivolcs raises Mayon Volcano's alert level further as the collapse of the lava dome at the volcano's summit generates ...

From Hawaiian Volcano Observatory livestreaming V2cam, a plume-like fountain erupted from the north vent during Episode 24 on ...