This map shows the tephra fall associated with episode 41 of Kilauea’s episodic summit eruption, on Jan. 24. Tephra is a generic word for any material erupted by a volcano that travels through the air ...

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 ...

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 ...

Hayli Gubbi volcano in Northern Ethiopia erupted on Sunday (Nov. 23) for the first time in nearly 12,000 years, causing havoc in villages nearby. Satellite imagery detailed billowing plumes of pale ...

Lava and ash have once again transformed the summit of Kīlauea into a vision that looks ripped from a disaster film, with ...

TODOQUE, Canary Islands — The advance of lava from a volcanic eruption in Spain’s Canary Islands has slowed significantly. That raised doubts Thursday about whether it will fan out across the land and ...

New seismic imaging shows magma lingering beneath quiet Cascade volcanoes, shaping how scientists monitor and plan for ...

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 ...

A volcano in Russia's far east on Wednesday spewed ash several kilometres into the sky, authorities said, putting on a ...