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

The Hunga Tonga Mystery That Wasn't When the Hunga Tonga volcano erupted underwater in January 2022, it felt like witnessing something unprecedented. The submarine volcano introduced an unprecedented ...

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

Hawaii's Kilauea volcano produces significant volcanic gas during the latest eruption. Officials are monitoring air quality as crowds flock to witness the activity.

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

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

Scientists are flocking to Iceland to investigate an increasingly crucial question: Will melting glaciers accelerate and intensify earthquakes and volcanic eruptions? William Brangham reports. PBS ...

“Tephra fall has been reported in public viewing areas within Hawaii Volcanoes National Park, Volcano Village, Mauna Loa ...

The 1815 eruption of Mount Tambora in Indonesia left a huge crater, along with a sometimes unexpected legacy. Jialiang Gao, CC BY-SA 3.0, via Wikimedia Commons On April 10, 1815, the Tambora volcano ...

"Awakening after a decade of slumber." Scientists issue warning that hidden 'ice volcanoes' could awaken: 'Talking about ...