'Limnic eruption': DR Congo's volcano nightmare

Orders on Thursday to evacuate Goma, a city lying in the shadow of DR Congo's Mount Nyiragongo volcano, have shed light on a rare but potentially catastrophic risk—a "limnic eruption," when volcanic activity combined with ...

Mysterious Midcontinent Rift is a geological hybrid

An international team of geologists has a new explanation for how the Midwest's biggest geological feature—an ancient and giant 2,000-mile-long underground crack that starts in Lake Superior and runs south to Oklahoma and ...

Palaeontologists catch turtles in flagrante

German palaeontologists have dug up the remains of nine turtle pairs that died while mating some 47 million years ago, sinking into poisonous waters while locked in a final embrace, a report said Wednesday.

10,000-year record shows dramatic uplift at Andean volcano

Ongoing studies of a massive volcanic field in the Andes mountains show that the rapid uplift which has raised the surface more than six feet in eight years has occurred many times during the past 10,000 years.

Size matters—if you are a bubble of volcanic gas

The chemical composition of gases emitted from volcanoes—which are used to monitor changes in volcanic activity—can change depending on the size of gas bubbles rising to the surface, and relate to the way in which they ...

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