Learn why Yellowstone mysteriously does not produce sulfur dioxide, and what it means for volcanic unrest.

1959 Kīlauea Iki eruption: It happened in the crater just north of the volcano’s caldera, lasting only about a month with 17 ...

Most tourists who visit Yellowstone National Park snap photos of Old Faithful and stroll past bubbling mud pots, never ...

An episode of lava fountaining at Kilauea ended early today after nearly six hours of continuous activity inside Halemaumau ...

Volcanic activity bubbling away beneath the Yellowstone National Park in the US appears to be on the move. New research shows that the reservoirs of magma that fuel the supervolcano's wild outbursts ...

If the theory is proven correct, the consequences could be enormous, spelling a much more risky, explosive future.

Volcano Alert Level: Watch. Kīlauea has erupted episodically since Dec. 23, 2024, within the summit caldera located within ...

The Kilauea volcano erupted Monday morning on Hawaii's Big Island following increased earthquake activity beneath its summit, according to the U.S. Geological Survey. The volcano is located along the ...

The left map shows the tephra fall associated with Kilauea’s episodic summit eruption, from December 2024 to December 2025.