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Antarctic glacier retreating at rate 10 times faster than previously measured: Study

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Antarctic glacier's alarming retreat is the fastest ever seen

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Rapid Antarctic glacier retreat sparks scientific 'whodunnit'

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Antarctic glacier retreats faster than any other in modern history, findings show

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This Antarctic Glacier Just Broke An Unwanted Record  Fastest Retreat In Modern History

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Considerable shrinking of Antarctic glacier reported

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Antarctic glacier retreated faster than any other in modern history

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[Research Press Release] Geoscience: Rapid retreat of Antarctic glacier (Nature Geoscience)

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Record grounded glacier retreat caused by an ice plain calving process

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An Antarctic glacier retreated 8km in just two months in 2022

Antarctic glacier saw the fastest retreat in modern history; it could spell trouble for sea levels, report finds

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Antarctic glacier sees record-speed retreat in 2022: Study

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Collapse of Thwaite's Eastern Ice Shelf

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<h2>Editor's Note</h2>

According to a new CU Boulder-led study, published in Nature Geoscience on Monday, the Hektoria Glacier on the Antarctic Peninsula retreated approximately 25 kilometers (15 miles) between January 2022 and March 2023 — the fastest retreat of an Antarctic glacier in modern history.

Nature Geoscience

According to a new CU Boulder-led study, published in Nature Geoscience on Monday, the Hektoria Glacier on the Antarctic Peninsula retreated approximately 25 kilometers (15 miles) between January 2022 and March 2023 — the fastest retreat of an Antarctic glacier in modern history.

During November and December 2022, the glacier lost 8.2 kilometers in just two months, retreating at rates up to 800 meters per day — nearly 10 times faster than previously published values for grounded glaciers.

During November and December 2022, the glacier lost 8.2 kilometers in just two months, retreating at rates up to 800 meters per day — nearly 10 times faster than previously published values for grounded glaciers.

The rapid retreat began after a decade-old fast ice in the Larsen B embayment broke away in early 2022, which had previously stabilized the glacier and allowed it to form thick floating ice tongues that protected it from ocean forces.

The rapid retreat began after a decade-old fast ice in the Larsen B embayment broke away in early 2022, which had previously stabilized the glacier and allowed it to form thick floating ice tongues that protected it from ocean forces.

Scientists attribute the extreme retreat rate to the glacier retreating onto an ice plain, where flat bedrock allowed the thinned ice to become buoyant and float, exposing it to ocean forces that promoted rapid iceberg calving.

Scientists attribute the extreme retreat rate to the glacier retreating onto an ice plain, where flat bedrock allowed the thinned ice to become buoyant and float, exposing it to ocean forces that promoted rapid iceberg calving.

The calving process generated glacial earthquakes detected by seismic sensors as buoyant forces ripped icebergs from the grounded glacier, and researchers observed waveforms consistent with icebergs breaking off.

The calving process generated glacial earthquakes detected by seismic sensors as buoyant forces ripped icebergs from the grounded glacier, and researchers observed waveforms consistent with icebergs breaking off.

While Hektoria is relatively small at 115 square miles, researchers warn that similar ice plain configurations exist beneath larger Antarctic glaciers, potentially enabling comparable rapid retreats that could significantly accelerate sea level rise.

While Hektoria is relatively small at 115 square miles, researchers warn that similar ice plain configurations exist beneath larger Antarctic glaciers, potentially enabling comparable rapid retreats that could significantly accelerate sea level rise.

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The Hektoria Glacier on the Antarctic Peninsula retreated approximately 25 kilometers between January 2022 and March 2023, with researchers documenting this as the fastest retreat of an Antarctic glacier in modern history according to multiple studies.</span

The Hektoria Glacier on the Antarctic Peninsula retreated approximately 25 kilometers between January 2022 and March 2023, with researchers documenting this as the fastest retreat of an Antarctic glacier in modern history according to multiple studies.

During November and December 2022, the glacier lost 8.2 kilometers in just two months, retreating at rates up to 800 meters per day, which represents nearly 10 times faster than any previously published values for grounded glaciers.</span

During November and December 2022, the glacier lost 8.2 kilometers in just two months, retreating at rates up to 800 meters per day, which represents nearly 10 times faster than any previously published values for grounded glaciers.

The rapid retreat began after decade-old fast ice in the Larsen B embayment broke away in early 2022, which had previously stabilized the glacier and allowed it to form thick floating ice tongues that protected it from ocean forces.</span

The rapid retreat began after decade-old fast ice in the Larsen B embayment broke away in early 2022, which had previously stabilized the glacier and allowed it to form thick floating ice tongues that protected it from ocean forces.

Scientists attribute the extreme retreat rate to the glacier retreating onto an ice plain, where flat bedrock allowed the thinned ice to become buoyant and go afloat, exposing it to ocean forces that promoted rapid calving of icebergs.</span

Scientists attribute the extreme retreat rate to the glacier retreating onto an ice plain, where flat bedrock allowed the thinned ice to become buoyant and go afloat, exposing it to ocean forces that promoted rapid calving of icebergs.

The calving process generated glacial earthquakes detected by seismic sensors as buoyant forces ripped away icebergs, with researchers observing waveforms consistent with icebergs breaking off from the grounded glacier.</span

The calving process generated glacial earthquakes detected by seismic sensors as buoyant forces ripped away icebergs, with researchers observing waveforms consistent with icebergs breaking off from the grounded glacier.

While Hektoria is relatively small at 115 square miles, researchers warn that similar ice plain configurations exist beneath larger Antarctic glaciers, potentially enabling comparable rapid retreats that could significantly accelerate sea level rise.</span

Hektoria Glacier's unprecedented retreat proves Antarctica faces catastrophic collapse that could devastate global sea levels. This lightning-fast disintegration shows larger glaciers like Thwaites could trigger the same process, rapidly accelerating sea-level rise beyond current predictions. The shocking speed demonstrates climate change is pushing Antarctica past dangerous tipping points.

Hektoria Glacier's unprecedented retreat proves Antarctica faces catastrophic collapse that could devastate global sea levels. This lightning-fast disintegration shows larger glaciers like Thwaites could trigger the same process, rapidly accelerating sea-level rise beyond current predictions. The shocking speed demonstrates climate change is pushing Antarctica past dangerous tipping points.</span

The Hektoria retreat isn't the climate catastrophe being claimed since the glacier was likely floating rather than grounded on bedrock. Scientists can't even agree on basic measurements like the grounding line location, making dramatic conclusions premature. This appears to be normal iceberg calving from floating ice shelves, not unprecedented grounded glacier collapse.

The Hektoria retreat isn't the climate catastrophe being claimed since the glacier was likely floating rather than grounded on bedrock. Scientists can't even agree on basic measurements like the grounding line location, making dramatic conclusions premature. This appears to be normal iceberg calving from floating ice shelves, not unprecedented grounded glacier collapse.</span

Climate Change

Antarctic Glacier Retreats 25km in Record-Breaking Speed

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Hektoria Glacier's unprecedented retreat proves Antarctica faces catastrophic collapse that could devastate global sea levels. This lightning-fast disintegration shows that larger glaciers like Thwaites could trigger the same process, rapidly accelerating sea-level rise beyond current predictions. The shocking speed demonstrates climate change is pushing Antarctica past dangerous tipping points.

Hektoria Glacier's unprecedented retreat proves Antarctica faces catastrophic collapse that could devastate global sea levels. This lightning-fast disintegration shows that larger glaciers like Thwaites could trigger the same process, rapidly accelerating sea-level rise beyond current predictions. The shocking speed demonstrates climate change is pushing Antarctica past dangerous tipping points.

If Hektoria's ice was already afloat rather than grounded, the dramatic "record retreat" might simply be normal iceberg calving in Antarctica's volatile environment. The study lacks precise satellite data, and scientists can't even agree on where the glacier truly detached from the seabed. This uncertainty transforms a potential climate alarm into a reminder of Antarctica's complex, often misunderstood dynamics.

If Hektoria's ice was already afloat rather than grounded, the dramatic "record retreat" might simply be normal iceberg calving in Antarctica's volatile environment. The study lacks precise satellite data, and scientists can't even agree on where the glacier truly detached from the seabed. This uncertainty transforms a potential climate alarm into a reminder of Antarctica's complex, often misunderstood dynamics.

There's a 50% chance that the Thwaites Eastern Ice Shelf will collapse by Aug. 7, 2027, according to the Metaculus prediction community.

There's a 50% chance that the Thwaites Eastern Ice Shelf will collapse by Aug. 7, 2027, according to the Metaculus prediction community.

Study: Antarctic Glacier Retreats 15 Miles in Record Speed

Study: Antarctic Glacier Retreats 25km15 Miles in Record-Breaking Speed

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Study: Antarctic Glacier Retreats 15 Miles in Record Speed

Study: Antarctic Glacier Retreats 25km15 Miles in Record-Breaking Speed

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