The five main types of volcanic eruptions and their characteristics, depending on the composition and viscosity of the magma ...

Consider a can of soda. When the can is closed (pressurized), the soda contains dissolved carbon dioxide (CO2). When you open ...

One final type of volcanic system is the Large Igneous Province, a massive outpouring of lava made from rocks called basalts. These eruptions can flood millions of square miles with lava that's ...

By the end of the day, about 7 p.m. Pacific Standard Time, data from 16 crystals was collected and analyzed. The data, which ...

As the Alaska Volcano Observatory continues to monitor volcanic gas emissions from Mount Spurr, the uncertainty of what to expect can put a damper in travel plans, especially when it comes to air ...

A volcano near Alaska’s largest city is showing new signs of unrest, with experts saying the likelihood of an eruption at ...

Increasing volcanic activity at the over 11,000-foot-tall, snowcapped volcano in Alaska is likely a sign of its impending first eruption since 1992, experts say. Mount Spurr, located about 75 ...

Elevated levels of volcanic gas and earthquakes have been recorded at the site. Alaska's Mount Spurr, an active volcano near the most populated region in the state, is getting even closer to an ...

The eruption obliterated the thriving ancient Roman cities of Pompeii and Herculaneum. "The only other type of organic glass we have evidence of is that produced in some rare cases of ...

A swarm of more than 100 shallow earthquakes at Alaska's Mount Spurr that began Sunday night and ran to Monday morning suggest the volcano could be moving closer to an eruption. "It's about a 50/ ...