A magnitude 4.6 earthquake has hit Alaska just miles from Mount Spurr, which has been showing signs of unrest and is at risk of an imminent volcanic eruption ...

The US Geological Survey clocked the tremor at a magnitude of 4.6 near Petersville, which lies about 86 miles from the agitated Mount Spurr. The Alaska Earthquake Center reported: "We have ...

A T-shirt from 1992 that reads "I Got Blasted by Mt. Spurr." (Provided by David Reamer) As this shirt subtly and delicately notes, “I Got BLASTED by Mt. Spurr, Anchorage, Alaska, August 18, 1992.” ...

Thermal infrared image from a helicopter overflight of the summit crater lake at Mount Spurr, Alaska, a volcano. The lake has a relatively warm water surface on one side, but snow and ice covering ...

Mount Spurr, dormant since its last eruption in 1992, is now showing increased seismic activity and ground deformation, prompting the USGS to raise its alert level to “ Advisory ” and warn ...

On Alaska's Kenai Peninsula, a flurry of small earthquakes shook the Iliamna volcano June 15. No surface activity was observed, however, and on July 1 the volcano was set at a normal alert code.

She said Mount Spurr is home to 15 glaciers, and Illiamna houses 10. Klouda noted that the nature of ashfall can both help preserve and insulate glaciers or expedite their melting.

The Alaska Volcano Observatory reports that two other restless volcanoes -- Mount Spurr west of Anchorage and Mount Veniaminof on the Alaska Peninsula -- remained relatively quiet Thursday.

Volcanoes in Alaska, Washington state, Oregon and Hawaii have been rumbling and even spewing lava, enough to spark a swarm of news stories. But despite the jolts and temblors, geologists say there ...