A new earthquake of magnitude 3.9 in the Campi Flegrei volcanic caldera rocked the Naples area Saturday. The quake, which struck at 13:32 on Saturday, was reported after an earthquake of magnitude 4.4 ...

An area of southern Italy near Naples has been experiencing a surge in seismic activity over the last few days. Campi Flegrei ...

The caldera-forming eruptions at Yellowstone are sourced from reservoirs of rhyolitic melt. That's silica-rich magma, the volcanic equivalent of granite, sticky and viscous and slow-moving ...

A 4.4-magnitude earthquake struck Italy's volcanic region of Campi Flegrei and the nearby city of Naples in the early hours of Thursday, causing hundreds of panicked residents to run out into the ...

A new look at an ancient eruption at Campi Flegrei raises new questions about the propensity of the still-active volcano, ...

The caldera lies 2,600 meters (8,530 feet) above the ground in Mono County. It comprises volcanic rocks, from the rhyolite to the basalts, and was most volcanically active 16,000 to 17,000 years ago.

The caldera of the volcano on land is just under ... Some of the earliest scientific records of mud volcanic activity, which date back to the middle of the 19th century, have recognized that ...

Researchers have found that half of all active volcanoes are exposed to the risk of torrential rains linked to climate change ...

Flanking the eastern edge of the Serengeti, the site houses the Ngorongoro Crater – the world's sixth-largest intact volcanic caldera – and Olduvai Gorge. This UNESCO World Heritage site ...

A 4.4-magnitude earthquake struck the volcanic area around Naples overnight, causing several light injuries, damaging ...

According to the US Geological Survey’s (USGS) Hawaiian Volcano Observatory, episode 12 of the Halemaʻumaʻu eruption began on ...

The final two rides of this chilly winter trip takes us east from Kumamoto, through the massive Aso Volcano crater, ...