The existence of a tectonic plate called Resurrection has long been a topic of debate among geologists, with some arguing it was never real. Others say it subducted—moved sideways and downward—into the earth's mantle ...
Earth Sciences
Oct 20, 2020
1
1668
The long-dormant Yellowstone super-volcano in the American West has a different history than previously thought, according to a new study by a Virginia Tech geoscientist.
Earth Sciences
Jul 26, 2018
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2273
A new study, resorting to computational models, predicts that a subduction zone currently below the Gibraltar Strait will propagate further inside the Atlantic and contribute to forming an Atlantic subduction system—an ...
Earth Sciences
Feb 15, 2024
0
274
Approximately 1,800 miles beneath our feet, swirling liquid iron in the Earth's outer core generates our planet's protective magnetic field. This magnetic field is invisible but is vital for life on Earth's surface because ...
Earth Sciences
Jul 25, 2022
3
497
Researchers at CU Boulder report that they may have solved a geophysical mystery, pinning down the likely cause of a phenomenon that resembles a wrench in the engine of the planet.
Earth Sciences
Oct 1, 2018
1
408
A research team from University of Lisbon (Portugal) and Johannes Gutenberg University (Germany) has developed for the first time an advanced numerical model of one of the main processes behind the movement of Earth's tectonic ...
Earth Sciences
Mar 11, 2022
0
3053
Geologists have long thought tectonic plates move because they are pulled by the weight of their sinking portions and that an underlying, hot, softer layer called asthenosphere serves as a passive lubricant. But a team of ...
Earth Sciences
Mar 11, 2021
3
4958
A team of oceanographers at the Scripps Institution of Oceanography, working with a colleague from Chungnam National University and another from the University of Hawaii, has mapped 19,000 previously unknown undersea volcanoes ...
An international research team, led by a Virginia Tech geoscientist, has revealed information about how continents were generated on Earth more than 2.5 billion years ago—and how those processes have continued within the ...
Earth Sciences
Mar 31, 2015
30
1798
Over the last 540 million years, the Earth has weathered three major ice ages—periods during which global temperatures plummeted, producing extensive ice sheets and glaciers that have stretched beyond the polar caps.
Earth Sciences
Mar 14, 2019
11
2514
