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© 2026 Developments Today. All rights reserved.

Two elevation maps of East Antarctica showing a fan-shaped structure on the bedrock beneath the ice.

Giant Fan-Shaped Geological Structure Discovered Beneath East Antarctic Ice Sheet

Giant fan-shaped structure discovered beneath East Antarctic Ice Sheet.
Connects several known basins, including Wilkes, Aurora, and Lake Vostok basin.
Formed by distributed rotational extension during Gondwana breakup.
Published in Nature Geoscience on June 3, 2026.

DE

DT Editorial Team·Jun 10, 2026·via livescience.com

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A new tectonic plate boundary could be forming in southern Africa

Hot-Spring Gases Suggest a New Rift May Be Opening Beneath Southern Africa

Researchers found mantle-signature gases in hot springs and geothermal wells in Zambia.
The results suggest the Kafue Rift is geologically active and may involve a tear in tectonic plates.
The area could offer insights into the earliest stages of continental breakup.

DE

DT Editorial Team·May 13, 2026·via newscientist.com

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Earth is splitting open beneath the Pacific Northwest, scientists say

Scientists Capture a Cascadia Plate Tearing Apart Beneath the Pacific Northwest

Researchers used seismic reflection imaging and earthquake records in Cascadia.
They report the Juan de Fuca plate is splitting into fragments as it subducts.
The finding could refine how scientists think about subduction-zone failure and earthquake behavior.

DE

DT Editorial Team·Apr 30, 2026·via sciencedaily.com

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Scientists just discovered Africa is closer to breaking apart than we thought

East Africa's Turkana Rift May Be Far Closer to Continental Breakup Than Expected

Researchers say the Turkana Rift crust is thinner than previously recognized.
The study identifies an advanced necking stage associated with continental breakup.
The same tectonic setting may help explain the region's unusually rich fossil preservation.

DE

DT Editorial Team·Apr 26, 2026·via sciencedaily.com

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Image of a circular pool of pale blue water with steam rising from it. The surroundings are richly covered soils with forests in the distance.

A New Yellowstone Study Challenges the Classic Mantle Plume Explanation

A new paper argues Yellowstone may be powered by crust-opening stresses tied to the long disappearance of the Farallon plate.
The proposal challenges the standard interpretation of Yellowstone as a straightforward mantle plume hotspot.
The study addresses mismatches in eruption chemistry and a gap in volcanic activity between Yellowstone and the Snake River Plain.
Its broader significance lies in showing how ancient tectonic history can shape present-day volcanism.

DE

DT Editorial Team·Apr 11, 2026·via arstechnica.com

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