News tagged with magma chambers

Possible trigger for volcanic 'super-eruptions' found

The "super-eruption" of a major volcanic system occurs about every 100,000 years and is considered one of the most catastrophic natural events on Earth, yet scientists have long been unsure about what triggers ...

Space & Earth / Earth Sciences

created Oct 12, 2011 | popularity 4.9 / 5 (22) | comments 20 | with audio podcast

Scientists move closer to predicting volcano hazard

UK and Russian scientists say they are a step closer to predicting how dangerous a volcano is after developing a method that lets them figure out how individual volcanoes are 'plumbed'.

Space & Earth / Earth Sciences

created May 18, 2011 | popularity 4.3 / 5 (3) | comments 2 | with audio podcast

Magma chambers awake sooner than thought

Until now it was thought that once a volcano's magma chamber had cooled down it remained dormant for centuries before it could be remobilized by fresh magma. A theoretical model developed by Alain Burgisser of the Orléans ...

Space & Earth / Earth Sciences

created Mar 07, 2011 | popularity 5 / 5 (4) | comments 0

Hot stuff: Magma at shallow depth under Hawaii

Ohio State University researchers have found a new way to gauge the depth of the magma chamber that forms the Hawaiian Island volcanic chain, and determined that the magma lies much closer to the surface than previously thought.

Space & Earth / Earth Sciences

created Dec 13, 2010 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast




Search results for magma chambers


'Atlantis' volcano gives tips for mega-eruptions

Around 1630 BC, a super-volcano blew apart the Aegean island of Santorini, an event so violent that some theorists say it nurtured the legend of Atlantis.

Space & Earth / Earth Sciences

created Feb 01, 2012 | popularity 4.8 / 5 (6) | comments 2

Waiting for Death Valley's Big Bang: A volcanic explosion crater may have future potential

In California's Death Valley, death is looking just a bit closer. Geologists have determined that the half-mile-wide Ubehebe Crater, formed by a prehistoric volcanic explosion, was created far more recently ...

Space & Earth / Earth Sciences

created Jan 23, 2012 | popularity 4.7 / 5 (15) | comments 1 | with audio podcast

Landsat satellites track Yellowstone's underground heat

(PhysOrg.com) -- Yellowstone National Park sits on top of a vast, ancient, and still active volcano. Heat pours off its underground magma chamber, and is the fuel for Yellowstone's famous features -- more ...

Space & Earth / Earth Sciences

created Dec 08, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Supervolcanoes: Not a threat for 2012

The geological record holds clues that throughout Earth's 4.5-billion-year lifetime massive supervolcanoes, far larger than Mount St. Helens or Mount Pinatubo, have erupted. However, despite the claims of ...

Space & Earth / Earth Sciences

created Nov 15, 2011 | popularity 4 / 5 (3) | comments 17

Battered Tharsis Tholus volcano on Mars

(PhysOrg.com) -- The latest image released from Mars Express reveals a large extinct volcano that has been battered and deformed over the aeons.

Space & Earth / Space Exploration

created Nov 09, 2011 | popularity 3.7 / 5 (3) | comments 0

Iceland's Katla volcano is getting restless

(AP) -- If Iceland's air-traffic paralyzing volcanic eruption last year seemed catastrophic, just wait for the sequel. That's what some experts are saying as they nervously watch rumblings beneath a much ...

Space & Earth / Earth Sciences

created Oct 13, 2011 | popularity 5 / 5 (3) | comments 5

Researchers connect volcanic activity to mini-earthquakes

The ash from the recent eruptions of the Puyehue-Cordon Caulle in Chile disrupted airplane schedules, forcing some planes to circle the globe a second time. causing even more delays. A Michigan Technological ...

Space & Earth / Earth Sciences

created Jul 15, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Scientists map volcanic plume under Yellowstone

Scientists using electric and magnetic sensors have mapped the size and composition of a vast plume of hot rock and briny fluid down to 200 miles below Yellowstone National Park's surface, according to a new ...

Space & Earth / Earth Sciences

created Apr 15, 2011 | popularity 4.8 / 5 (8) | comments 0

Electric Yellowstone: Conductivity image hints volcano plume is bigger than thought

University of Utah geophysicists made the first large-scale picture of the electrical conductivity of the gigantic underground plume of hot and partly molten rock that feeds the Yellowstone supervolcano. The ...

Space & Earth / Earth Sciences

created Apr 11, 2011 | popularity 4.7 / 5 (15) | comments 13 | with audio podcast

Seismometer noise includes signals from South Atlantic storms, 'footquakes' from soccer matches

(PhysOrg.com) -- If you wander up to a seismograph in a museum, unless you are lucky enough to be there right during an earthquake, all you will see is a small wiggly signal being recorded.

Space & Earth / Earth Sciences

created Jan 17, 2011 | popularity 5 / 5 (2) | comments 5 | with audio podcast


List of search results for magma chambers