Glacial earthquakes are a special type of earthquake generated in cold, icy regions. First discovered in the northern hemisphere more than 20 years ago , these quakes occur when huge chunks of ice fall from glaciers into the sea.

Until now, only a very few have been found in the Antarctic.

In a new study soon to be published in , I present evidence for hundreds of these quakes in Antarctica between 2010 and 2023, mostly at the ocean end of the Thwaites Glacier – the so-called Doomsday Glacier that could send sea levels rising rapidly if it were to collapse.

The extent of global sea ice cover is more than 3 million square kilometers below the 1981-2010 average. This is the 2nd lowest on record for this date over the satellite-era.

Data from nsidc.org/data/seaice_…

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