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 ...

Geologists are monitoring a volcano near Alaska's largest city after an increase ... Mount Spurr last erupted in 1992, blowing a nearly 12-mile (19km) ash cloud into the air, cancelling flights ...

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 ...