Scientists at the University of California, Berkeley, have detected previously unknown channels of slow-moving seismic waves in Earth's upper mantle, a discovery that helps explain "hotspot volcanoes" that give birth to island ...
Earth Sciences
Sep 5, 2013
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Reservoirs of silica-rich magma – the kind that causes the most explosive volcanic eruptions – can persist in Earth's upper crust for hundreds of thousands of years without triggering an eruption, according to new University ...
Earth Sciences
Aug 19, 2013
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Planetary scientists dream of sending a geologist to Mars to study its rocks by hand. Until then, they have to settle for examining meteorites - chunks of the Red Planet that land on Earth after hurtling through space and ...
Space Exploration
Aug 13, 2013
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From 1975 on, the global surface ocean has shown a pronounced-though wavering-warming trend. Starting in 2004, however, that warming seemed to stall. Researchers measuring the Earth's total energy budget-the balance of sunlight ...
Earth Sciences
Jul 2, 2013
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(Phys.org) —Jupiter's moon Io is the most volcanically active world in the Solar System, with hundreds of volcanoes, some erupting lava fountains up to 250 miles high. However, concentrations of volcanic activity are significantly ...
Space Exploration
Apr 4, 2013
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Less than 2% of the earth's fossils are preserved in volcanic rock, but researchers have identified a new one: the skull of a rhino that perished in a volcanic eruption 9.2 million years ago. The find is described in a paper ...
Archaeology
Nov 21, 2012
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(Phys.org) -- A new study finds that the pattern of heat coming from volcanoes on Io's surface disposes of the generally-accepted model of internal heating. The heat pouring out of Io's hundreds of erupting volcanoes ...
Space Exploration
Jun 11, 2012
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Solar radiation management is a class of theoretical concepts for manipulating the climate in order to reduce the risks of global warming caused by greenhouse gasses. But its potential effectiveness and risks are uncertain, ...
Environment
Oct 26, 2011
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(PhysOrg.com) -- A 3-D model of a volcanic explosion, based on the 1980 eruption of Mount St. Helens in Washington state, may enhance our understanding of how some volcanic explosions occur and help identify of blast zones ...
Earth Sciences
Jun 1, 2011
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The chaos caused by a volcanic eruption in Iceland April 2010 and the dispersal of its ash cloud across European airspace was a reminder of the tremendous forces of nature that exist below the ground. Not all subterranean ...
Earth Sciences
Jun 11, 2010
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