If you could travel back in time 41,000 years to the last ice age, your compass would point south instead of north. That's because for a period of a few hundred years, the Earth's magnetic field was reversed. These reversals ...
Earth Sciences
May 16, 2017
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177
Researchers have found signs of fault displacement at well-known rock outcrops in Colorado that mark the end-Cretaceous asteroid impact that may have hurried the extinction of the dinosaurs. They will present their results ...
Earth Sciences
Apr 11, 2017
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86
Stock traders have long used specialized trackers to decide when to buy or sell a stock, or when the market is beginning to make a sudden swing. A new University of Washington study finds that the same technique can be used ...
Earth Sciences
Mar 28, 2017
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110
In spring 2013, observation systems at Utah's Bingham Canyon copper mine detected ground movement in a hillslope surrounding the mine's open pit. Out of caution, mine managers evacuated personnel and shut down production, ...
Earth Sciences
Mar 2, 2017
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244
New research published in Earth and Planetary Science Letters describes how scientists have used the world's largest array of seismic sensors to map a deep-Earth area of melting carbon covering 1.8 million square kilometres. ...
Earth Sciences
Feb 13, 2017
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325
The Earth's mantle—the layer between the crust and the outer core—is home to a primordial soup even older than the moon. Among the main ingredients is helium-3 (He-3), a vestige of the Big Bang and nuclear fusion reactions ...
Earth Sciences
Feb 6, 2017
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16
(Phys.org)—A team of researchers from several institutions in Japan has conducted experiments with results that indicate that silicon is likely the missing element in Earth's core. The group gave a presentation outlining ...
A tiny seismic event that occurred in North Korea on 12 May 2010 appears to have bene an earthquake rather than a small underground nuclear explosion, according to a new analysis published in the Bulletin of the Seismological ...
Earth Sciences
Dec 19, 2016
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167
Plate tectonics, the idea that the surface of the Earth is made up of plates that move apart and come back together, has been used to explain the locations of volcanoes and earthquakes since the 1960s.
Earth Sciences
Dec 14, 2016
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311
(Phys.org)—A team of researchers from France, the U.S. and Italy has found evidence from the Tohoku-Oki earthquake that sensors that measure changes in gravity might offer a way to warn people of impending disaster faster ...
