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Yellowstone's plumbing exposed

(PhysOrg.com) -- The most detailed seismic images yet published of the plumbing that feeds the Yellowstone supervolcano shows a plume of hot and molten rock rising at an angle from the northwest at a depth ...

Space & Earth / Earth Sciences

created Dec 14, 2009 | popularity 4.8 / 5 (49) | comments 18

Giant impact near India -- not Mexico -- may have doomed dinosaurs

A mysterious basin off the coast of India could be the largest, multi-ringed impact crater the world has ever seen. And if a new study is right, it may have been responsible for killing the dinosaurs off 65 ...

Space & Earth / Earth Sciences

created Oct 15, 2009 | popularity 4.8 / 5 (42) | comments 15

Researchers find smoking gun of world's biggest extinction

About 250 million years about 95 per cent of life was wiped out in the sea and 70 per cent on land. Researchers at the University of Calgary believe they have discovered evidence to support massive volcanic ...

Space & Earth / Earth Sciences

created Jan 23, 2011 | popularity 4.7 / 5 (38) | comments 36 | with audio podcast

Aurora alert: The Sun is waking up (w/ Video)

Sky viewers might get to enjoy some spectacular Northern Lights, or aurorae, tomorrow. After a long slumber, the Sun is waking up. Early Sunday morning, the Sun's surface erupted and blasted tons of plasma ...

Space & Earth / Space Exploration

created Aug 02, 2010 | popularity 4.6 / 5 (31) | comments 15 | with audio podcast

Expanding Spot on Venus Puzzles Astronomers

(PhysOrg.com) -- The expanding spot discovered on Venus last month may not have garnered as much attention as the meteor impact with Jupiter, but its cause is certainly more puzzling. ...

Space & Earth / Space Exploration

created Aug 04, 2009 | popularity 4.3 / 5 (31) | comments 7 weblog

'Rosetta Stone' of supervolcanoes discovered in Italian Alps

Scientists have found the "Rosetta Stone" of supervolcanoes, those giant pockmarks in the Earth's surface produced by rare and massive explosive eruptions that rank among nature's most violent events. The eruptions produce ...

Space & Earth / Earth Sciences

created Sep 21, 2009 | popularity 4.3 / 5 (29) | comments 6

Previously Unknown Volcanic Eruption Helped Trigger Cold Decade

(PhysOrg.com) -- A team of chemists from the U.S. and France has found compelling evidence of a previously undocumented large volcanic eruption that occurred exactly 200 years ago, in 1809.

Space & Earth / Earth Sciences

created Oct 29, 2009 | popularity 4.3 / 5 (27) | comments 9

Studies agree on a 1 meter rise in sea levels

New research from several international research groups, including the Niels Bohr Institute at the University of Copenhagen provides independent consensus that IPCC predictions of less than a half a meter ...

Space & Earth / Earth Sciences

created Apr 13, 2010 | popularity 3.5 / 5 (33) | comments 32 | with audio podcast

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

Earth's massive extinction: The story gets worse

Scientists have uncovered a lot about the Earth's greatest extinction event that took place 250 million years ago when rapid climate change wiped out nearly all marine species and a majority of those on land. ...

Space & Earth / Earth Sciences

created Jan 05, 2012 | popularity 4 / 5 (25) | comments 36 | with audio podcast

Paleoecologists suggest mass extinction due to huge methane release

(PhysOrg.com) -- Micha Ruhl and colleagues from the University of Copenhagen's Nordic Center for Earth Evolution have published a paper in Science where they contend that the mass extinction that occurred at the ...

Space & Earth / Earth Sciences

created Jul 22, 2011 | popularity 4.4 / 5 (21) | comments 32 | with audio podcast report

Experts reaffirm asteroid impact caused mass extinction 65 million years ago (w/ Video)

(PhysOrg.com) -- Responding to challenges to the hypothesis that an asteroid impact caused a mass extinction on Earth 65 million years, a panel of 41 scientists re-analyzed data and provided new evidence, ...

Space & Earth / Earth Sciences

created Mar 04, 2010 | popularity 4.4 / 5 (20) | comments 4 | with audio podcast

Ancient volcano may have caused mass extinction

A previously unknown giant volcanic eruption that led to global mass extinction 260million years ago has been uncovered by scientists at the University of Leeds.

Space & Earth / Earth Sciences

created May 28, 2009 | popularity 4.4 / 5 (20) | comments 0

Scientists offer new theory for largest known mass extinction

The largest mass extinction in the history of the earth could have been triggered off by giant salt lakes, whose emissions of halogenated gases changed the atmospheric composition so dramatically that vegetation ...

Space & Earth / Earth Sciences

created Mar 30, 2009 | popularity 4 / 5 (21) | comments 5

53 million-year-old high Arctic mammals wintered in darkness

(PhysOrg.com) -- Ancestors of tapirs and ancient cousins of rhinos living above the Arctic Circle 53 million years ago endured six months of darkness each year in a far milder climate than today that featured ...

Space & Earth / Earth Sciences

created Jun 01, 2009 | popularity 4.8 / 5 (17) | comments 74

Types of volcanic eruptions

Several types of volcanic eruptions have been distinguished by volcanologists. These are often named after famous volcanoes where that type of behavior has been observed. Some volcanoes may exhibit only one characteristic type of eruption during a period of activity, while others may display an entire sequence of types.

For more information about Types of volcanic eruptions, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.

Related topics: volcano