Diamonds and rust at the Earth's core-mantle boundary
Steel rusts by water and air on the Earth's surface. But what about deep inside the Earth's interior?
Earth Sciences
Aug 31, 2022
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Page 15 - News tagged with seismic
Hidden microearthquakes illuminate large earthquake-hosting faults in Oklahoma and Kansas
Using machine learning to sift through a decade's worth of seismic data, researchers have identified hundreds of thousands of microearthquakes along some previously unknown fault structures in Oklahoma and Kansas.
Earth Sciences
Aug 26, 2022
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More than one asteroid could have spelled doom for the dinosaurs
A newly discovered impact crater below the seafloor hints at the possibility that more than one asteroid hit Earth during the time when dinosaurs went extinct.
Earth Sciences
Aug 18, 2022
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Assessing the effect of hydraulic fracturing on microearthquakes
The analysis of low-intensity human-caused microearthquakes, including their magnitude and frequency, has become an important factor in mining. This is a consideration not only for the safety of mining staff, but also for ...
Earth Sciences
Aug 18, 2022
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Going deep: New ground motion model more accurately simulates earthquakes, explosions
Lawrence Livermore National Laboratory (LLNL) scientists have created a new adjoint waveform tomography model that more accurately simulates earthquake and explosion ground motions. The paper, published in the Journal of ...
Earth Sciences
Aug 10, 2022
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129
Deep earthquakes suggest well-hydrated Mariana subduction zone
On the surface, subduction zones manifest as oceanic trenches, the deepest of which is the Mariana Trench in the Pacific Ocean. One notable feature of many trenches is their outer rise, a shallow bulge on the outskirts of ...
Earth Sciences
Aug 10, 2022
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Earth is spinning faster than usual, but why? What experts say after shortest day ever
Time is flying. Literally.
Earth Sciences
Aug 3, 2022
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Deja vu as volcano erupts again near Iceland capital
A volcano erupted in Iceland on Wednesday near the capital Reykjavik, spewing red hot lava and plumes of smoke out of a fissure in an uninhabited valley after several days of intense seismic activity.
Environment
Aug 3, 2022
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27
Balloon fleet senses earthquakes from stratosphere
A new study in AGU's Geophysical Research Letters reports on the first detection of a large, distant earthquake in a network of balloon-bound pressure sensors in the stratosphere. The technique could one day be applied on ...
Earth Sciences
Jul 28, 2022
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Novel model of fluid distribution in Cascadia Subduction Zone aids understanding of seismic activity
A novel three-dimensional model of the fluid stored deep in Earth's crust along the Cascadia Subduction Zone provides new insight into how the accumulation and release of those fluids may influence seismic activity in the ...
Earth Sciences
Jul 14, 2022
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