Large lava fountains erupted from the north and south vents Jan. 24 within Halemaʻumaʻu Crater — reaching heights of at least ...

The U.S. Geological Survey’s Hawaiian Volcano Observatory website is currently offline, officials said Sunday. The outage ...

A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park.

Scientists predict imminent lava fountaining at Kīlauea's summit, with seismic activity and observatory monitoring indicating increased volcanic activity.

A week-and-a-half after episode 41 of Kilauea’s yearlong summit eruption deposited tephra — lightweight volcanic glass debris ...

Episode 41 of lava fountaining to more than 1,600 feet high as part of the ongoing episodic summit eruption of Kīlauea ...

Lava spewed from Hawaii’s Kilauea volcano during the 41st eruption episode of the current active period on Saturday4.Footage ...

Experts have dismissed the possibility of an eruption, saying, 'It’s Yellowstone being Yellowstone.' ...

An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists. However, there's a chance that the activity could be signs of a pending ...

Scientists are monitoring a city of Chicago-sized swath of rising ground at the northern volcanic rim of the Yellowstone ...

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) website is currently offline, raising concerns among the public and researchers alike. However, officials have confirmed that this ...

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