Scientists have studied Yellowstone National Park's magmatic system for years, but a new view of the magma chamber shows the long-dormant supervolcano is not at immediate risk of eruption.

Uturuncu, a dormant volcano in Bolivia, appeared to be getting ready to erupt following earthquakes and "sombrero" shaped deformation — scientists have now worked out what's going on beneath the ...

Although dormant volcanoes are usually quiet, “zombie volcanoes” like Bolivia’s Uturuncu display a surviving amount of activity for a volcano that hasn’t erupted in 250,000 years.

The Uturuncu volcano in Bolivia has not erupted for 250,000 years. Researchers have solved the mystery on why a dormant volcano in South America has displayed possible signs of an eruption for ...

A huge volcano that hasn't erupted in 250,000 years is showing signs of life. Uturuncu, a dormant volcano deep in the Central Andes, Bolivia, has puzzled scientists for decades with unusual ...

A "ZOMBIE" volcano could be coming back to life after lying dormant for hundreds of thousands of years. Ominous rumblings from deep underground made scientists fear that Uturuncu in Bolivia was on ...

High in the Central Andes, a geological enigma lies dormant. Uturuncu volcano in Bolivia hasn't erupted in over 250,000 years. It is also known as a "zombie" volcano because it still exhibits ...

Basically, the long-dormant Yellowstone volcano is at no immediate risk of eruption. "We're only seeing ... seven to 15% molten material in this magmatic system, and typically, you need to have at ...