What is the risk of a volcano erupting? To answer this question, scientists need information about its underlying internal structure. However, gathering this data can take several years of fieldwork, ...

What’s more nerve-wracking than climbing an active volcano? Climbing it with kilos of delicate equipment, knowing that a single eruption could send both scientists and sensors hurtling downhill. Over ...

Volcanic activity from Etna's 'Voragine' crater has intensified this week with vigorous explosions and incandescent shreds following a four-year silence. Etna and Stromboli are the most explosive ...

A new study based on the sampling and analysis of volcanic ash at Cumbre Vieja volcano in the Canary Islands, located off Africa’s northwest coast, suggests that the composition of magma could drive ...

For each suspect volcano, would you characterize the magma that produced the ash sample as mafic, intermediate, or felsic? Why? Which ash seems to be most similar in composition to the Ashfall sample?

Image: The photo shows a fluid inclusion containing liquid water and a vapor bubble. The inclusion, contained in the mineral quartz, is about 25 micrometers in length. Blacksburg, Va. — By summer 2005 ...

Samples of rocks found on a Greek island reveal the source of oxidizing fluids feeding ancient volcanoes as scientists seek to pinpoint geochemical forces at work millions of years ago, a team of ...

The mystery location of a giant volcanic eruption that occurred almost 500 years ago has (in part) been solved thanks to glass shards preserved in the ice covering Antarctica. In 1458 a volcano ...

Blacksburg, Va. -- By summer 2005, researchers in the Fluids Research Laboratory at Virginia Tech will be able to look for evidence of water on Mars by examining submicroscopic bubbles in martian ...