Through global-scale seismic imaging of Earth's interior, research led by The University of Alabama revealed a layer between the core and the mantle that is likely a dense, yet thin, sunk ocean floor, according to results ...
Earth Sciences
Apr 5, 2023
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888
When it comes to making a rapid estimate of ground motion and moment magnitude for an earthquake, using data from Global Navigation Satellite Systems (GNSS) might be a good alternative or addition to data from seismic stations.
Earth Sciences
Mar 8, 2023
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12
A new technique developed by Carnegie's Yingwei Fei and Lin Wang provides fresh insight into the process by which the materials that formed Earth's core descended into the depths of our planet, leaving behind geochemical ...
Earth Sciences
Feb 16, 2023
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38
Earthquakes in the Nenana Basin region of Interior Alaska last longer and feel much stronger than a quake of comparable magnitude would in a non-basin region, due to the behavior of the seismic waves once they reach the area.
Earth Sciences
Jan 26, 2023
0
41
When the rigid plates that make up Earth's lithosphere brush against one another, they often form visible boundaries, known as faults, on the planet's surface. Strike-slip faults, such as the San Andreas Fault in California ...
Earth Sciences
Jan 18, 2023
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99
Using a novel imaging technique for volcanoes that produces high-resolution pictures of seismic wave properties, a new study reveals a large, previously undetected body of mobile magma underneath Kolumbo, an active submarine ...
Earth Sciences
Jan 12, 2023
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2342
NASA's InSight mission has ended after more than four years of collecting unique science on Mars.
Space Exploration
Dec 21, 2022
0
167
Satellite observations have revealed that weak seismic ground shaking can trigger powerful landslide acceleration—even several years after a significant earthquake.
Earth Sciences
Nov 30, 2022
0
69
NASA's InSight lander recorded a magnitude 4 marsquake last Dec. 24, but scientists learned only later the cause of that quake: a meteoroid strike estimated to be one of the biggest seen on Mars since NASA began exploring ...
Planetary Sciences
Oct 28, 2022
6
101
Researchers have observed seismic waves propagating along the surface of a planet other than Earth for the first time. The marsquakes that resulted from two large meteorites that hit Mars were recorded by NASA's InSight lander ...
Planetary Sciences
Oct 27, 2022
0
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