Santorini is a small volcanic island located in the southern Aegean Sea, about 120 miles southeast of mainland Greece. It is ...

New research shows that elevation changes and earthquakes in Italy's Campi Flegrei volcanic area are caused by rising pressure in a geothermal reservoir -- not magma or its gases, as commonly thought.

A volcano that has not erupted in 250,000 years has shown signs of returning to life. Scientists warned that an eruption ...

Shasta Valley's strange hills reveal a secret — the debris of a massive ancient mountain collapse in Northern California.

A fiery mystery has puzzled geologists for decades: where did the lava fueling one of Earth’s largest volcanic events come from? A new study may finally have the answer. Scientists have long believed ...

The Axiel Seamount is one of a chain of undersea volcanoes along the Juan de Fuca Ridge, which runs along Oregon and Alaska.

SEATTLE — The Pacific Northwest's most active underwater volcano is showing signs of an impending eruption, potentially occurring before the end of 2025, according to researchers at the University of ...

Axial Seamount is situated 300 miles off the Oregon coast and is getting closer to erupting for the first time in 10 years.

What we’ve found is that this reservoir hasn’t shut down — it’s been sitting there for a couple million years, but it’s still ...

A deep-sea volcano 300 miles off the Oregon coast is showing strong signs it may erupt soon, researchers at the University of ...

Geologists led by the University of Maryland and the University of Hawaiʻi finally connected the dots between one of the ...