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flag Antarctica’s Hektoria Glacier retreated 25 km and lost nearly half its mass in months, the fastest glacial collapse ever recorded.

flag The Hektoria Glacier on Antarctica’s eastern peninsula retreated 25 kilometers between January 2022 and March 2023, losing nearly 50% of its mass in just two months—faster than any recorded glacial retreat in modern history. flag Researchers from the University of Colorado Boulder, using satellite and seismic data, linked the rapid collapse to the glacier’s flat, submerged bedrock, which allowed it to become buoyant after thinning, triggering massive calving. flag The study, published in Nature Geoscience, found the glacier lost up to 2.5 kilometers in just two days, a rate that could be missed with less frequent observations. flag Scientists warn similar conditions beneath larger glaciers, including Thwaites, could accelerate sea level rise.

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