Mount Spurr near Anchorage has been showing signs of unrest for a year. Now scientists think it's creeping closer to an ...

At Mount St. Helens, volcano monitoring and trail maintenance efforts are set to degrade without help from federal agencies.

A new column of steam rises from Yellowstone. While the expansive volcano shows no hints of an eruption, magma brews beneath the surface, fueling hundreds of geysers and other heated phenomena. In a ...

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

Monitoring stations around Mount Adams noted nine earthquakes ranging from magnitude 0.9 to 2.0 near the volcano between ...

Alaska ’s Mount Spurr, a snow-covered volcano 75 miles outside Anchorage, is showing signs it could erupt soon, experts warned. Scientists at the Alaska Volcano Observatory said the volcano will ...

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 miles ...

Volcanologists at the Alaska Volcano Observatory have been monitoring volcanic unrest since April of last year.

The US Geological Survey has issued a hazard notification that increased "unrest" at the volcano indicates big things are ...

The Alaska Volcano Observatory said signs indicated a Mount Spurr eruption was likely, though not certain, in the weeks or ...

A volcano near Anchorage, Alaska's largest city, could erupt in the 'next few weeks or months,' the Alaska Volcano ...

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