Earth Sciences93
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‘Highway from Hell’ Fueled Costa Rican Volcano
Finding Could Lead to Improved Eruption Forecasting
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Cicadas Leave Trail of Dead Leaves
As you travel through our region, you may notice stands of trees with branch tips covered in dead leaves. The damage is not from the hot and humid weather, but rather the aftermath of the cicadas.
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Distant Quakes Trigger Tremors at U.S. Waste-Injection Sites, Says Study
Finding Could Help Identify Critically Stressed Faults
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Photo Essay: High Desert, Deep Earth
In the Arabian peninsula nation of Oman, geologists are studying the Hajar mountains–a range containing rocks that have been thrust up from the deep earth. Accessible to humans in only a few places on earth, these kinds of rocks offer clues to the planet’s deep history–and possible ways that natural processes may be harnessed to…
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Ancient Rocks, Modern Purpose
The desert sultanate of Oman is home to some of the weirdest—and possibly most useful—rocks on earth. The stark Hajar mountains, near the border with Saudi Arabia, contain a chunk of earth’s mantle—a zone that makes up most of earth’s mass, but normally lies inaccessible to humans, far below the surface. Here, though, a sliver…
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In Ethiopian Desert, a Window into Rifting of Africa
A new study in the journal Nature provides fresh insight into deep-earth processes driving apart huge sections of the earth’s crust. This rifting mostly takes place on seabeds, but can be seen in a few places on land—nowhere more visibly than in the Afar region of northern Ethiopia.
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What’s the Real Story With Clean Coal?
The Obama administration will propose new rules to limit carbon emissions from coal-fired power plants. But is “clean coal” technology up to the job?
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Chasing Tornadoes: A Close Call with a Deadly Storm
Tornadoes are rare at any one location, but out of anywhere in the United States, the central Oklahoma area has the greatest risk—and this day would prove no exception.
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Tides Play a Role in Triggering Undersea Earthquakes
Can shifting tides trigger earthquakes? Research done by Maya Tolstoy, a geophysicist at Lamont-Doherty Earth Observatory, suggests they do.
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