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Hawaiian hot spot has deep roots

(PhysOrg.com) -- Hawaii may be paradise for vacationers, but for geologists it has long been a puzzle. Plate tectonic theory readily explains the existence of volcanoes at boundaries where plates split apart ...

Space & Earth / Earth Sciences

created Dec 03, 2009 | popularity 4.9 / 5 (11) | comments 1

Scientists lower Alaska volcano threat level

(AP) -- Alaskans can put away their dust masks and spare air filters, for now, because Mount Redoubt seems to have cooled off since its last major eruption nearly three months ago.

Space & Earth / Earth Sciences

created Jul 01, 2009 | popularity 5 / 5 (1) | comments 0

Scientists Pierce Veil of Clouds to 'See' Lightning Inside a Volcanic Plume

(PhysOrg.com) -- Researchers hit the jackpot in late March, when, for the first time, they began recording data on lightning in a volcanic eruption--right from the start of the eruption.

Space & Earth / Earth Sciences

created Apr 08, 2009 | popularity 5 / 5 (3) | comments 0

Ash falls on Anchorage as volcano keeps spewing

(AP) -- Alaska's Mount Redoubt continued to erupt Saturday, sending plumes of ash tens of thousands of feet into the air that rained down on at least one Alaska town

Space & Earth / Earth Sciences

created Mar 29, 2009 | popularity not rated yet | comments 0

2 small eruptions occur at Alaska volcano

(AP) -- Alaska's Mount Redoubt erupted at least twice Wednesday as officials from a pipeline company assessed conditions at a nearby oil storage facility to determine whether to remove its contents.

Space & Earth / Earth Sciences

created Mar 25, 2009 | popularity 5 / 5 (1) | comments 0

Rotation is key to understanding volcanic plumes

(PhysOrg.com) -- A 200-year-old report by a sea captain and a stunning photograph of the 2008 eruption of Mount Chaiten are helping scientists at the University of Illinois better understand strong volcanic ...

Space & Earth / Earth Sciences

created Mar 25, 2009 | popularity 4.1 / 5 (7) | comments 0

New tremors at Alaska volcano spewing ash into sky

(AP) -- New tremors at Alaska's Mount Redoubt are prompting speculation that the volcano could be in a phase that will lead to more instability. The 10,200-foot volcano erupted six times Sunday and Monday, ...

Space & Earth / Earth Sciences

created Mar 24, 2009 | popularity 4 / 5 (1) | comments 0

Alaska volcano Mount Redoubt erupts 5 times

(AP) -- Alaska's Mount Redoubt volcano erupted five times overnight, sending an ash plume more than 9 miles into the air in the volcano's first emissions in nearly 20 years.

Space & Earth / Earth Sciences

created Mar 23, 2009 | popularity 5 / 5 (1) | comments 0

Fledgling mantle plume may be cause of African volcano's unique lava

(PhysOrg.com) -- Nyiragongo, an active African volcano, possesses lava unlike any other in the world, which may point toward its source being a new mantle plume says a University of Rochester geochemist. The ...

Space & Earth / Earth Sciences

created Mar 13, 2009 | popularity 5 / 5 (11) | comments 0

Scientists Control Plasma Bullets

(PhysOrg.com) -- On the nanoscale, things aren’t always what they seem. What first looked like a continuous plasma jet has turned out to be a train of tiny, high-velocity plasma bullets. Using a camera with ...

Physics / Plasma Physics

created Feb 27, 2009 | popularity 4.5 / 5 (30) | comments 16 feature