The discovery has revealed a hidden process that could change how scientists understand volcanic systems.

Authorities have raised the alert level after ash spewed from the Popocatépetl volcano in central Mexico. It's one of the ...

Understanding what triggers large volcanic eruptions is crucial for hazard assessment, but the exact mechanism driving these ...

Although volcanic eruptions are spectacular natural events that occur around the world every day, most volcanoes spend the ...

The summit region of Kīlauea experienced tephra fallout and a Kona low storm this past week. Cleanup, recovery, and regrowth ...

The eruptions at Kilauea prompted closures at a national park and part of a highway because of falling glassy volcanic ...

Geochemical analysis of erupted tephra samples over the past decade help scientists understand the temperature of Kilauea’s shallow magma system under the summit — and things have been “heating up!” ...

Hawaii's Kilauea volcano erupts with 1,000-foot lava fountains, forcing highway and park closures as the volcanic ash falls ...

A recent study reveals that the Poás volcano has changed its eruption pattern, redefining the global ash-related risk map.

Mount Shasta presents a unique challenge that most other active volcanoes don't for USGS scientists. The only place to sample ...

If only there were a simple trick to stop a massive volcano from spewing out lava. Like maybe plugging it up with good old ...