Geologists have returned an Alaska volcano to unmonitored status because it has remained quiet following a brief eruption earlier this month.
Cleveland Volcano in Aleutian Islands spews ash plume
Geologists are on alert after Cleveland Volcano in Alaska's Aleutians Islands spewed an ash plume up to 20,000 feet Friday.
Redoubt volcano will continue to be calm, scientists say
The Alaska Volcano Observatory downgraded Redoubt's alert code and says the chance of the volcano returning to its prior eruptive behavior is unlikely.
Mount Redoubt steams, but seismic activity has eased
Clouds lifted to allow weekend viewing of Mount Redoubt as scientists said seismic activity at the volcano kept declining.
Drift River terminal may resume shipping; platforms start up
With Redoubt volcano signaling that it's slipping back into sleep, oil company officials Monday announced tentative plans to resume crude shipping and production from the west side of Cook Inlet.
Volcano observatory scales back staffing as Mount Redoubt calms
As Mount Redoubt remains calm, the Alaska Volcano Observatory is ending 24-hour staffing of its operations center at Fairbanks.
Scientists lower Redoubt threat level as volcano quiets
After months of remaining on high alert, scientists at the Alaska Volcano Observatory say they are beginning to believe that Redoubt volcano's 2009 eruption might be fizzling to a close.
Alert level Monday remained at Watch.
• Alert level on Saturday remained at Watch.
• Alert level on Friday remained at Watch.
Russian volcano diverts flights to Anchorage
The Anchorage international airport said it is experiencing an uptick in landings over the past several days because a volcanic eruption in Russia's Kuril Islands has prompted airlines to divert some of their Asia-bound flights to Alaska.
Alert level on Tuesday remained at Watch.
Alert level on Tuesday remained at Watch.
Alert level on Wednesday remained at Watch.
Alert level Tuesday remained at Watch.
Redoubt oozes lava, pressure builds
Since Mount Redoubt's last explosion in April, it has quietly continued to ooze lava from its vent, creating a massive hardened dome that could blow at any moment and unleash another ash fall on Southcentral Alaska.
Alert level on Friday remained at watch.
Alert level Tuesday remained at Watch.
Alert level on Saturday remained at Watch.
Big Redoubt eruption still likely soon, scientists say
Scientists reported this morning that seismic activity at Mount Redoubt gradually calmed overnight. But a massive, unstable lava dome still has them bracing for the volcano's next explosive eruption.
Time lapse photos: Fog rolls over Inlet beneath Iliamna Volcano
Redoubt lava dome grows bigger and less stable
The shaking at Redoubt volcano settled down somewhat early today, but earthquakes remain frequent and the volcano's lava dome has grown and become more unstable.
Alert level on Tuesday remained at watch and aviation code at orange, meaning Redoubt volcano continues in an eruptive state but is not posing an immediate danger.
Blast from Redoubt possible soon
Activity at Mount Redoubt is again increasing, and scientists monitoring the volcano say an explosive eruption is likely in coming days.
Alert level on Monday remained at watch and aviation code at orange, meaning Redoubt is in an eruptive state but not posing an immediate hazard.
Redoubt volcano activity increases after quiet period
Mount Redoubt showed increased unrest Sunday as the volcano continued to rumble and grumble and produced a substantial ash and steam plume.
Alert level on Friday remained at Watch.
Tanker removes more oil from terminal near volcano
The Coast Guard says a tanker has removed a load of oil and water from a terminal in the path of mud slides from Redoubt Volcano, further reducing the threat of an oil spill into Cook Inlet.
Alert level Wednesday remained at Watch.
Alert level on Tuesday remained at Watch.
Second tanker tries to lift oily sludge from Drift River tanks
Chevron brought another tanker to the Drift River oil terminal Tuesday to continue efforts to reduce the amount of crude oil stored in the shadow of Redoubt volcano.
PHOTO GALLERIES
Images of recent volcano activity around Alaska.
The observatory is a great resource for volcano activity, live and archived, in Alaska.
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