A series of small earthquakes has been detected beneath a U.S. volcano that has been showing increasing signs of activity in ...

The U.S. Geological Survey’s office building in Hilo also is the temporary home of the agency’s Hawaiian Volcano Observatory, ...

Scientists have identified early warning signs of a potential volcanic eruption at Mount Spurr, located in Alaska. The last eruption occurred in 1992, but the volcano has shown increasing activity ...

Seismic activity persists at Mount Spurr, which scientists said could mean the Alaska volcano is poised for a possible ...

Hawaii's Kilauea volcano is erupting episodically, and as it progresses, the lava fountain's heights are rising.

Episode 17 of the eruption featured lava fountains reaching 50 to 200 feet from the south vent and lasted 35.5 hours. The north vent activity ceased Tuesday morning, and the north vent pond collapsed ...

During the last seven hours, lava fountains were up to 600 feet high, according to the USGS' Hawaiian Volcano Observatory. In the early afternoon, a webcam's livestream showed vigorous ...

Following up on last week's warning, the Alaska Volcano Observatory reiterated in a series of posts on X Wednesday that the volcano, located 75 miles west of Anchorage, the state's biggest city ...