Seafloor spreading has been slowing down
A new global analysis of the last 19 million years of seafloor spreading rates found they have been slowing down. Geologists want to know why the seafloor is getting sluggish.
A new global analysis of the last 19 million years of seafloor spreading rates found they have been slowing down. Geologists want to know why the seafloor is getting sluggish.
Earth Sciences
Apr 14, 2022
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An international team of researchers has found evidence of a megathrust earthquake occurring approximately 3,800 years ago off the coast of what is now Chile. In their paper published in the journal Science Advances, the ...
The Hawaiian-Emperor seamount chain spans almost four thousand miles from the Hawaiian Islands to the Detroit Seamount in the north Pacific, an L- shaped chain that goes west then abruptly north. The 60-degree bend in the ...
Earth Sciences
Mar 22, 2022
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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
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The geological events we see on the surface of the Earth as mountains, volcanoes and earthquakes are expressions of processes that are happening deep in our planet. Here on the Earth's crust, we're part of a conveyor belt ...
Earth Sciences
Mar 9, 2022
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504
,Ancient rocks on the coast of Oman that were once driven deep down toward Earth's mantle may reveal new insights into subduction, an important tectonic process that fuels volcanoes and creates continents, according to an ...
Earth Sciences
Feb 12, 2022
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44
A river on fire with millions of gallons of spilled oil, jet fuel and gasoline. An environmental disaster ranking with the worst in America. No fuel for a state trying to recover from a major earthquake.
Environment
Feb 9, 2022
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24
Subduction zones, where a slab of oceanic plate is pushed beneath another tectonic plate down into the mantle, cause the world's largest and most destructive earthquakes. Reconstructing the geometry and stress conditions ...
Earth Sciences
Dec 27, 2021
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In modern subduction zones—regions around the world that have one tectonic plate sliding past another—one area can act like molasses for seismic waves. These anomalous areas are called low-velocity zones, or LVZs. In ...
Earth Sciences
Nov 9, 2021
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103
When an 8.2-magnitude earthquake struck off the coast of Chignik, Alaska, on July 29, geophysicist Geoffrey Abers did the logical—if not simple—thing.
Environment
Aug 27, 2021
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