Volcanoes can behave in strikingly different ways, even when they appear nearly identical. Some release slow, steady lava ...

Great Sitkin volcano, sitting in Alaska’s central Aleutian Islands, has been slowly pushing lava out of its summit crater ...

In Japan, the Sakurajima volcano spewed out a huge cloud of ash, startling local residents. The explosive eruption caused no damage or injuries.

Volcano Watch” is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory ...

Mount Etna’s past eruptions reveal that a single volcano can erupt through very different underground pathways.

Over the last year and a half, the historic episodic eruption at the summit of Kilauea has had 49 episodes of lava ...

It is generally assumed that volatile-rich magmas erupt predominantly effusively at water depths of several hundred meters, as the high hydrostatic pressure suppresses explosive activity. This view is ...

Stunning social media videos erupted from the northern coast of Colombia on Feb. 25, when a mud volcano exploded, shooting flames high into the sky and prompting evacuations, local officials reported.

Guides who take tourists to enjoy the striking views of Sicily's Mount Etna are up in arms over tougher restrictions imposed by local authorities after a round of eruptions at the giant volcano in ...

Scientists have uncovered a long-missing piece of the volcanic puzzle: rising magma doesn’t just form explosive gas bubbles when pressure drops—it can do so simply by being sheared and “kneaded” ...