Ten months of unrest at Mount Spurr could be a sign of an upcoming eruption from a side vent or, less likely, from the main ...

For nearly a year Mount Spurr, an active volcano near Anchorage, has shown increased activity of unrest. The activity could ...

Mount Spurr, whose volcanic ash darkened Anchorage’s skies in 1953 and 1992, may be building toward another eruption.

At least twice in the last few thousand years, Mount Churchill's ice-covered caldera has spewed ash that reached as far as ...

What is the collective noun for a group of volcano scientists? While some tongue-in-cheek responses might be “an eruption of ...

An eruption of Mount Churchill today similar to previous major plumes would bring much of the Northern Hemisphere to a ...

Unusual weather patterns and climate change have been driving stark changes in the northwestern state. Now, new satellite ...

Frequent earthquakes 300 miles off the coast of Oregon signal escalation for the underwater volcano named Axial Seamount.

It resumed Monday, preceded by small, sporadic spatter fountains that continued to increase intensity to reach “sustained fountaining,” the Hawaiian Volcano Observatory said. Fountains on the ...