Researchers were able to observe stress changes before and during an earthquake induced by hydraulic fracturing in Alberta, Canada, with the help of a phenomenon called seismic anisotropy.
Earth Sciences
Mar 2, 2022
0
21
The icefields that stretch for hundreds of miles atop the Andes mountain range in Chile and Argentina are melting at some of the fastest rates on the planet. The ground that was beneath this ice is also shifting and rising ...
Earth Sciences
Feb 28, 2022
0
1189
Scientists have uncovered the source of a mysterious 2021 tsunami that sent waves around the globe.
Earth Sciences
Feb 8, 2022
0
416
At the boundaries between tectonic plates, narrow rifts can form as Earth's crust slowly pulls apart.
Earth Sciences
Feb 7, 2022
1
327
The removal of carbon dioxide (CO2) from Earth's atmosphere is a promising tool in the fight to counteract climate change. So-called carbon capture and sequestration (CCS) uses mechanical and chemical techniques to remove ...
Earth Sciences
Jan 28, 2022
0
4
The Atlantic Ocean was born roughly 200 million years ago when the supercontinent Pangea began to break apart. As continental crust stretched and fractured, oceanic crust took its place. To investigate this rifting process, ...
Earth Sciences
Jan 25, 2022
2
835
A rare volcano-triggered tsunami sparked by the eruption of Hunga Tonga-Hunga Ha'apai in Tonga could have been caused by shock waves or shifting underwater land, experts said Monday.
Earth Sciences
Jan 17, 2022
0
87
The dramatic collapse of Indonesia's Anak Krakatau volcano in December 2018 resulted from long-term destabilising processes, and was not triggered by any distinct changes in the magmatic system that could have been detected ...
Earth Sciences
Jan 15, 2022
1
133
Let's take a journey into the depths of the Earth, down through the crust and mantle nearly to the core. We'll use seismic waves to show the way, since they echo through the planet following an earthquake and reveal its internal ...
Earth Sciences
Dec 30, 2021
1
1829
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
2
111
