Study Warns: The World's Largest Island Is Sinking, Twisting, and Literally Shrinking in Size

Study Warns: The World’s Largest Island Is Sinking, Twisting, and Literally Shrinking in Size

Written by Romário Pereira de Carvalho

Published on 16/10/2025 at 21:23

Imagem: Giles Laurent / Wikimedea Commons

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The Largest Island on the Planet Is Literally Changing Shape: The Melting of Billions of Tons of Ice Is Altering the Earth’s Crust of Greenland, Causing It to Sink, Twist, and Even Shrink Gradually

Greenland, the largest island in the world, is literally changing shape. Researchers have discovered that the melting of its ice layers is altering the pressure on the underground, which has been causing deformations in the Greenland Plate, part of the North American tectonic plate.

The study, published in the Journal of Geophysical Research, indicates that this change causes the island to twist, sink, and even gradually shrink.

Changes Caused by Melting

The ice accumulated on the surface of Greenland weighs billions of tons. When this ice melts, the pressure exerted on the ground decreases, causing distinct reactions in the terrain.

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The Island Is Shrinking

According to measurements taken over the last two decades, Greenland has been shifting about two centimeters per year to the northwest.

At the same time, some areas are being retracted and compressed.

“Overall, this means that Greenland is becoming a little smaller,” explains NASA researcher Danjal Longfors Berg, the lead author of the study. “But this may change in the future with the accelerated melting we are seeing now.”

The expert recalls that, in recent decades, the melted ice has pushed Greenland outward, increasing its area.

However, opposing movements are also occurring, as the Earth’s crust reacts differently in each region, depending on the amount of accumulated ice and the local geological history.

Detailed Analyses and Measurements

To understand the phenomenon, researchers from the Technical University of Denmark installed 58 GPS stations along the island’s coast. These devices meticulously recorded the variations in the terrain.

Based on this data, a computational model was created that simulates the geological movements of Greenland over the last 26,000 years — from the end of the Ice Age to the present day.

“We created a model that shows movements over a very long timescale, and we used precise measurements from the last 20 years,” says Berg. “This means we can now measure the movements with great precision.”

A Surprising Behavior

The results surprised scientists. The initial expectation was that the island was only being stretched due to recent melting.

But the study revealed the opposite in some regions: large areas are, in fact, being compressed and retracted.

These findings show that Greenland’s geological balance is more complex than previously thought, and that its transformations will continue to follow the pace of global warming.

With information from Revista Galileu.

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Study Warns: The World’s Largest Island Is Sinking, Twisting, and Literally Shrinking in Size

The Largest Island on the Planet Is Literally Changing Shape: The Melting of Billions of Tons of Ice Is Altering the Earth’s Crust of Greenland, Causing It to Sink, Twist, and Even Shrink Gradually

Changes Caused by Melting

The Island Is Shrinking

Detailed Analyses and Measurements

A Surprising Behavior

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Study Warns: The World’s Largest Island Is Sinking, Twisting, and Literally Shrinking in Size

The Largest Island on the Planet Is Literally Changing Shape: The Melting of Billions of Tons of Ice Is Altering the Earth’s Crust of Greenland, Causing It to Sink, Twist, and Even Shrink Gradually

Changes Caused by Melting

The Island Is Shrinking

Detailed Analyses and Measurements

A Surprising Behavior

Seen from space, an image taken by an astronaut shows an unlikely oasis in the Saudi Arabian desert, protected by a terrain that slows the advance of sand, surrounded by green circles, remnants of an extinct lake and nearly 10,000 years of preserved history.

While the U.S. still faces limitations in deep space, China is developing unprecedented technology with strategic satellites that maintain communication with the far side of the Moon and aims for dominance by 2030.

In Botswana, a salt flat of up to 16,000 km² that was once an African megalake spends months as an absolute white desert, but during the rainy season it transforms into a shallow sea that reappears from nowhere and can be seen from space in the middle of southern Africa.

The Blood Falls of Antarctica hide a living ecosystem trapped under the ice for over 2 million years, where microbes survive without light, without oxygen, and without ever having seen the Sun.

Bavarian archaeologists unearthed a medieval skeleton that had an articulated iron hand in place of its left arm, and the discovery reveals that doctors were already creating sophisticated prosthetics over 500 years ago.

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