A massive, cliff-top boulder in Tonga reveals a 7,000-year-old mega tsunami, offering new insights for coastal hazard ...

The boulder, named Maka Lahi, measures an enormous 46 x 40 x 22 feet (14 x 12 x 6.7 metres) and lies more than 656 feet (200 ...

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.

Rumbling sounds were heard in nearby villages in Sorsogon province, alert level stays Manila: Bulusan Volcano put on another fiery show Tuesday night, erupting for over an hour — but authorities ...

SEATTLE — An underwater volcano in the Pacific Northwest shows signs it may erupt for the first time in years. "It's one of the coolest things that happens on our planet," said Debbie Kelley.

A "zombie" volcano in Bolivia has been rumbling in its sleep — despite being dormant for hundreds of thousands of years — and scientists now think they know why. Uturuncu, located in the Andes ...

Bulusan Volcano in Sorsogon had a phreatic eruption on Monday morning, the Philippine Institute of Volcanology and Seismology (PHIVOLCS) said. The phreatic eruption occurred at 4:36 a.m. and lasted ...

A volcano in the central Philippines erupted early Tuesday morning, sending a plume of ash about 2.5 miles into the sky and forcing authorities to suspend school in four villages due to ashfall.

LONDON (AP) — A volcano began erupting in southwestern Iceland on Tuesday, just hours after authorities evacuated a nearby community and a geothermal spa, one of Iceland’s biggest tourist ...

A volcano near Alaska's largest city is showing new signs of unrest, with experts saying the likelihood of an eruption at Mount Spurr in the next few weeks or months has increased. The Alaska ...

A volcano in Ethiopia is spewing unusually large volumes of methane from its crater, according to satellite measurements of the potent greenhouse gas. This comes after hundreds of earthquakes have ...

Now, researchers have revealed a new magma chamber growing underneath the Kolumbo volcano. ByJim Dobson, Senior Contributor. Forbes contributors publish independent expert analyses and insights.