A new study has identified a potentially growing natural hazard in the north: frostquakes. With climate change contributing to many observed changes in weather extremes, such as heavy precipitation and cold waves, these seismic ...
Earth Sciences
Dec 11, 2023
1
85
The Cascade Volcanic Arc stretches from Northern California to southern British Columbia and contains more than a dozen volcanoes. The U.S. Geological Survey classifies 11 of them, including Mount Baker and Mount Hood, as ...
Earth Sciences
Nov 29, 2023
1
69
As oceans waves rise and fall, they apply forces to the sea floor below and generate seismic waves. These seismic waves are so powerful and widespread that they show up as a steady thrum on seismographs, the same instruments ...
Earth Sciences
Nov 7, 2023
2
134
For four years, NASA's InSight lander recorded tremors on Mars with its seismometer. Researchers at ETH Zurich collected and analyzed the data transmitted to Earth to determine the planet's internal structure. "Although the ...
Planetary Sciences
Oct 25, 2023
0
3487
When the Earth was completing its formation approximately 4.5 billion years ago, it was enveloped in a global ocean of molten magma, extending hundreds to thousands of kilometers beneath its surface due to violent impacts. ...
Earth Sciences
Oct 23, 2023
0
17
One of the biggest challenges for earthquake early warning systems (EEW) is the lack of seismic stations located offshore of heavily populated coastlines, where some of the world's most seismically active regions are located.
Earth Sciences
Oct 17, 2023
0
38
Ocean currents determine the structure of the deep-sea ocean floor and the transport of sediments, organic carbon, nutrients and pollutants. In flume-tank experiments, researchers from MARUM—Center for Marine Environmental ...
Earth Sciences
Oct 6, 2023
0
53
A new attempt to predict earthquakes with the aid of artificial intelligence has raised hopes that the technology could one day be used to limit earthquakes' impact on lives and economies. Developed by researchers at The ...
Earth Sciences
Oct 5, 2023
0
60
The iron atoms that make up the Earth's solid inner core are tightly jammed together by astronomically high pressures—the highest on the planet.
Earth Sciences
Oct 3, 2023
1
719
A small international team of geologists and seismologists has created a newly refined map of Zealandia using data obtained from dredged rock samples recovered from the ocean floor. They report details in the journal Tectonics.
