Dozens of people have died, hundreds are missing and many more homes were destroyed after separate volcanic eruptions in ...

Mount Rainier has rattled through thousands of tiny earthquakes this year, a reminder that America’s most lethal volcano is very much alive beneath its ice. Those quakes, and a burst of viral alarmism ...

America’s deadliest volcano has just rattled through more than 1,000 tiny earthquakes in a matter of days, a drumbeat of tremors that has revived old fears about catastrophic mudflows racing down its ...

One of the most deadly and dangerous volcano hazards isn’t lava. Mudflows called lahars can come without clear warning.

Guatemala's Volcano of Fire is erupting, prompting authorities to evacuate nearly 300 families and warn that an additional 30,000 people in the area could be at risk. The eruption of "Volcan de Fuego" ...

It was small by volcanic standards, but massive by human ones: on this day in 1980, Mount St. Helens erupted in what the ...