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

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

An increase in the number of earthquakes under a volcano near Alaska's largest city this year ... last erupted in 1992, spewing an ash cloud nearly 12 miles into the air, prompting flights to ...

Hundreds of earthquakes have been detected beneath Mount Spurr in the past week, increasing the odds of an eruption at the ...

Alaska Airlines announced on Thursday that it’s canceling at least 15 flights and delaying 26 more flights due to a cloud of volcanic ash traveling eastbound from Russia, according to FlightAware.

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