The Durandag mud volcano, known for its periodic activity, entered a new eruption phase, producing a powerful outburst that ...

But some refused to evacuate during the hazardous lava fountaining episode.

Learn more about the past eruptions at Yellowstone National Park and how each new eruption displaced evidence of the past.

"What makes the event even more extraordinary is that it did not involve a single volcano, but multiple active sources." ...

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

Hawai‘i County Civil Defense reports in its post-ashfall update message that Episode 41 of the ongoing summit eruption within Halema‘uma‘u Crater in the caldera of Kīlauea volcano produced significant ...

Hawaiʻi County Civil Defense advises Big Island residents and visitors to take precautions in areas impacted by falling ash ...

Volcano Watch” is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists and affiliates. Large lava fountains streamed from both the north and ...

Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help planners anticipate future mudflows.

Episode 41 of lava fountaining in Kilauea’s Halemaumau crater began late this morning, according to the U.S. Geological ...

Mass extinction events throughout Earth’s history are characterized as significant disruptions to life on the planet. There ...

When massive volcanic eruptions occur, they inject millions of tons of sulfur dioxide into the stratosphere, where it forms sulfate aerosols that scatter incoming solar radiation and result in global ...