The Cordón Caulle volcano in Chile is part of the Puyehue-Cordón Caulle Volcanic Complex along the Andes mountain range in southern Chile. Philipp Ruprecht, an associate professor at the University of ...

Volcanoes are nature's most dramatic rocks, and while their eruptions can be awe-inspiring, they also pose serious threats to ...

HILO The recently published Geologic map of the central-southeast flank of Mauna Loa volcano is the culmination of years of field work by the U.S. Geological Survey. This updated map supersedes the ...

It’s easy to forget that the earth below us is always changing and shifting — but sometimes, we get a dramatic demonstration of exactly that, like with the recent eruptions of a volcano in Iceland.

Mapping out geology across the U.S. is surprisingly difficult, but the USGS has managed just that, and its map is more ...

VOLCANOES NATIONAL PARK — The 2018 lower East Rift Zone (LERZ) eruption of Kilauea brought an end to the 35-plus year eruption at Puu Oo. With the draining of the summit and the collapse of Puu Oo, ...

The Earth's mantle might not always move along in lockstep with the overlying tectonic crust—as set out in science textbooks for decades—but may instead behave differently. This is the conclusion of ...

A volcano that has been dormant for hundreds of thousands of years could be gearing up for a massive explosion, according to ...

Months of volcanic restlessness preceded the eruptions this spring of Icelandic volcano Eyjafjallajökull, providing insight into what roused it from centuries of slumber. Months of volcanic ...

A group of undergraduate geology students from Cal State Long Beach will soon take what they learned in the classroom and apply it to real scientific research — in a first-of-its-kind trip for CSULB.

Space geologists will have to rewrite the textbooks on the Moon after the latest Lunar Reconnaissance Orbiter data, which shows that there have been volcanoes on our rocky satellite a lot more ...