Antarctic scientists have documented the fastest retreat of a glacier in modern history, after it lost eight kilometres of ice in just two months, according to a new report.

The Hektoria Glacier on the eastern Antarctic Peninsula is roughly 300 square kilometres in size — about 10 times larger than the City of Sydney local government area.

International researchers, led by the University of Colorado Boulder, analysed satellite images and seismic data to investigate how and why the glacier rapidly lost ice.

A glacier "retreats" when it melts or erodes faster than it gains new ice, causing the front of the glacier to move backwards.

A report on their study, published in the journal Nature Geoscience , shows the glacier shrank 25km between January 2022 and March 2023.

This included a r

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