Tephrochronology is a specialised stratigraphic method that utilises volcanic ash (tephra) layers to synchronise, date and correlate geological, palaeoenvironmental and archaeological sequences. By ...

This photo shows the exposure of the Mount Jackson Rhyolite Series vitrophyre at Gibbon River. Boulders of weathered, lichen-covered rock show how easy it is to overlook these new units. (Photo by Liv ...

Satellite images have captured a rare volcanic eruption that occurred Sunday at Ethiopia’s Hayli Gubbi volcano, sending towering ash plumes toward Yemen and Oman. The eruption is the first recorded ...

An earlier version of this story was published in 2024. It looks like just another hill in Sussex County, but you wouldn’t have wanted to have been standing there 420 million years ago. That’s about ...

The government called the eruption an "unprecedented disaster." The Hunga-Tonga-Hunga-Ha'apai volcanic eruption last week caused widespread damage to the Pacific Island nation of Tonga, with a huge ...

The United States has a habit of showcasing its geology. Long before cities and highways showed up, forces beneath the ...

Klyuchevskoy volcano in eastern Russia began erupting shortly after a powerful 8.8 magnitude earthquake and several aftershocks shook the same area. "A descent of hot lava is observed on the western ...

LEMBATA, Indonesia (AP) — Mount Lewotobi Laki Laki volcano in south-central Indonesia erupted Tuesday, spewing towering columns of hot ash into the air. Authorities raised the eruption alert to the ...

It looks like just another hill in Sussex County, but you wouldn’t have wanted to have been standing there 420 million years ago. That’s about when the Beemerville Volcano erupted in Wantage, give or ...

Indonesia's Mount Lewotobi Laki Laki erupted on Monday, July 7, spewing an 11-mile ash cloud that billowed up into the sky. Australian officials issued a red aviation warning over the risk to flights ...

Streams of molten lava flowed from Hawaii's Kilauea volcano overnight Saturday into Sunday, ahead of another eruption expected to take shape in the coming days, the U.S. Geological Survey said.

Hawaii's Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet into the air and across a section of its summit crater floor. It was Kilauea's 31st display of molten rock since ...