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

Viewers watching the US Geological Survey’s livestream of the latest eruption of Kīlauea on Tuesday evening were surprised to ...

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

This story was updated on Dec. 24, 2025. A year ago on Dec. 23, 2024, one of the world’s most active volcanoes awoke.   That ...

Volcano Watch” is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory ...

Across the United States, scientists who track the country’s most powerful volcano systems are picking up new signals that ...

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

The reason the region is safe is because, aside from Yellowstone being closed during the winter months, it has not yet ...

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

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