When this volcano eventually blows ... Within hours of the eruption, a torrent of mud, melted snow and rock inundated the town of Armero and killed an estimated 25,000 people.

Just a couple hours after the eruption started, a river of mud, rocks, lava and icy water swept over the town of Armero ... Kīlauea the most hazardous US volcano — no surprise given how ...

The likelihood of an Alaska volcano’s explosive eruption not far from the state’s largest city has increased, according to researchers. Officials with the Alaska Volcano Observatory reported ...

The unrest at Mount Spurr, an 11,000-foot volcano just 80 miles west of Anchorage, suggests an eruption is likely to occur in the next few weeks or months, the Alaska Volcano Observatory said in a ...