Section: Geology

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In a new analysis of the 2004 magnitude 6.0 Parkfield earthquake in California, David Schaff suggests some limits on how changes measured by ambient seismic noise could be used as a pre-earthquake signal.


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Scientists have recreated the conditions at Earth’s core-mantle boundary 2,900 km beneath the surface. Using X-rays at the European Synchrotron Radiation Facility, they probed tiny rock samples at extreme temperature and pressure showing for the first …


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The Rio+20 summit on promoting jobs, clean energy and a more sustainable use of our planet’s resources closed today after three days of talks. During the summit, the role of Earth observation in sustainable development was highlighted.


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Peek-a-blue Moon

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Europe’s latest weather satellite got a glimpse of the Moon before our celestial neighbour disappeared from view behind Earth on Friday. Since its launch two months ago, MSG-3 has been working well and is on its way to entering service.


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The Caribbean islands have been pushed east over the last 50 million years, driven by the movement of the Earth’s viscous mantle against the more rooted South American continent, reveals new research.


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A comprehensive analysis of the Cascadia Subduction Zone off the Pacific Northwest coast confirms that the region has had numerous earthquakes over the past 10,000 years, and suggests that the southern Oregon coast may be most vulnerable based on recur…


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A new analysis of the common accretion-disk model explaining how planets form in a debris disk around our Sun uncovered a possible reason for Earth’s comparative dryness. The study found that our planet formed from rocky debris in a dry, hotter region,…


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Intense warm climate intervals — warmer than scientists thought possible — have occurred in the Arctic over the past 2.8 million years. That result comes from the first analyses of the longest sediment cores ever retrieved on land. They were obtained…


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A new study involving analysis of fossil and geological records going back 540 million years suggests that biodiversity on Earth generally increases as the planet warms. But the research says that the increase in biodiversity depends on the evolution o…


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What can we learn from sending codependent bacteria and plants into space? Quite a bit, it would appear. An experiment with the tongue-twisting name Symbiotic Nodulation in a Reduced Gravity Environment, or SyNRGE for short, could yield benefits on Ear…


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Despite sharp increases in carbon dioxide emissions by humans in recent decades that are warming the planet, Earth’s vegetation and oceans continue to soak up about half of them, according to a surprising new study.


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