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?

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 ...

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, ...

Department of Geological Sciences that used Martian meteorite to understand the volcanic process on Mars has been published in the journal Nature Communications Earth and Environment. Martian ...

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 ...

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 ...

A new study suggests sea discoloration data obtained from satellite images as a novel criterion in predicting if eruption looms for an underwater volcano. There have been frequent eruptions of ...

Where is the magma surfacing at Mauna Loa coming from? The magma that comes out of Mauna Loa comes from a series of magma chambers found between about 1 and 25 miles (2 and 40 km) below the surface.

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 ...