(Phys.org) —Twice humans have witnessed the wasting of snow and ice from Peru's tallest volcano, Nevado Coropuna—In the waning of the last ice age, some 12,000 years ago, and today, as industrial carbon dioxide in the ...
Earth Sciences
Jun 7, 2013
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(Phys.org)—Six years of observations by ESA's Venus Express have shown large changes in the sulphur dioxide content of the planet's atmosphere, and one intriguing possible explanation is volcanic eruptions.
Space Exploration
Dec 3, 2012
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A New Zealand volcano suddenly erupted after lying dormant for more than a century, spewing an ash plume that disrupted flights and closed highways, officials said Tuesday.
Earth Sciences
Aug 7, 2012
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The volcanic region of La Garrotxa, with some forty volcanic cones and some twenty lava flows, is considered to be the best conserved region in the Iberian Peninsula. It is also the youngest volcanic area. Although the approximate ...
Earth Sciences
Jul 23, 2012
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High-resolution photos of lava flows on Mars reveal coiling spiral patterns that resemble snail or nautilus shells. Such patterns have been found in a few locations on Earth, but never before on Mars. The discovery, made ...
Space Exploration
Apr 26, 2012
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More than 400 years after Galileo's discovery of Io, the innermost of Jupiter's largest moons, a team of scientists led by Arizona State University (ASU) has produced the first complete global geologic map of the Jovian satellite. ...
Space Exploration
Mar 19, 2012
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When oil started gushing into the Gulf of Mexico in late April 2010, friends asked George Haller whether he was tracking its movement. That's because the McGill engineering professor has been working for years on ways to ...
Mathematics
Mar 12, 2012
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(PhysOrg.com) -- Ever since the Mariner 10 mission in 1974 snapped the first pictures of Mercury, planetary scientists have been intrigued by smooth plains covering parts of the surface. Some suspected past volcanic activity, ...
Space Exploration
Sep 29, 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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Most deep-sea volcanoes produce effusive lava flows rather than explosive eruptions, both because the levels of magmatic gas tend to be low, and because the volcanoes are under a lot of pressure from the surrounding water. ...
Earth Sciences
Mar 28, 2011
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