New simulations of Earth's asthenosphere find that convective cycling and pressure-driven flow can sometimes cause the planet's most fluid layer of mantle to move even faster than the tectonic plates that ride atop it.
Earth Sciences
May 29, 2018
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In some areas of the seafloor, a tectonic mystery lies buried deep underground.
Earth Sciences
Oct 5, 2017
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"Knowing what a chicken looks like and what all the chickens before it looked like doesn't help us to understand the egg," says Taras Gerya. The ETH Professor of Geophysics uses this metaphor to address plate tectonics and ...
Earth Sciences
Nov 11, 2015
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The continental margins of plates on either side of the Atlantic Ocean are thinner than expected, and an international team led by a Rice University scientist is using an array of advanced tools to understand why.
Earth Sciences
Nov 14, 2014
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As published this month in Nature Geoscience, researchers and industry partners have produced the first major 'cat scan of the earth'. Their work reveals a new chart of the sub-continental lithosphere mantle and its potential ...
Earth Sciences
Oct 28, 2013
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The Greenland ice sheet is melting from below, caused by a high heat flow from the mantle into the lithosphere. This influence is very variable spatially and has its origin in an exceptionally thin lithosphere. Consequently, ...
Earth Sciences
Aug 11, 2013
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Scientists have long speculated about why there is a large change in the strength of rocks that lie at the boundary between two layers immediately under Earth's crust: the lithosphere and underlying asthenosphere. Understanding ...
Earth Sciences
Mar 22, 2012
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The eruption of giant masses of magma in Siberia 250 million years ago led to the Permo-Triassic mass extinction when more than 90 % of all species became extinct. An international team including geodynamic modelers from ...
Earth Sciences
Sep 14, 2011
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A rare 5.8 earthquake that rattled the eastern United States on Tuesday was felt over a wide area from Toronto, Canada down to Georgia due to the hard, brittle quality of the ground, experts said.
Earth Sciences
Aug 23, 2011
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An international team of researchers has created the most complete seismic image of the Earth's crust and upper mantle beneath the rugged Himalaya Mountains, in the process discovering some unusual geologic features that ...
Earth Sciences
Sep 11, 2009
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