<p>A humongous iceberg the size of Greater London has broken off an Antarctic ice shelf. This is the second such break in around two years, said researchers as they announced the latest event on Monday.</p>

<p>The break happened near the United Kingdom's Antarctic-based Halley Research Station. However, as per glaciologists at the research station, the facility remains unaffected by the event.&nbsp;</p>

<p><strong><strong>Watch |&nbsp;WI</strong>ON Climate Tracker: Iceberg nearly the size of Greater London breaks off from Antarctica ice shelf</strong></p>

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<p>21 members of the staff who are currently at the facility continue to maintain the base and operate its scientific instruments.</p>

<p>As per the British Antarctic Survey (BAS), the chunk measures 1,550 square kilometres or 598 square miles. It detached from the 150-metre-thick Brunt Ice Shelf around a decade after scientists first spotted the crack known as Chasm-1.</p>

<p><strong>Also read |&nbsp;<a href="https://www.wionews.com/science/scientists-suggest-a-stop-gap-solution-for-refreezing-melting-ice-will-cost-whopping-11-billion-yearly-517822">Scientists suggest a stop-gap solution for 'refreezing' melting ice; will cost whopping $11 billion yearly</a></strong></p>

<p>Citing the research institute, Reuters reports that the iceberg calved "following years of naturally occurring cracks that finally extended across the shelf and caused the new iceberg to break free".</p>

<p>"This calving event has been expected and is part of the natural behaviour of the Brunt Ice Shelf," said BAS glaciologist Dominic Hodgson. "It is not linked to climate change," he added.</p>

<p>As per Science Alert, in 2016-17, the Halley VI Research Station had to be relocated due to the widening of the Chasm-1. reportedly, at the time cracks started appearing in the ice, and this threatened to cut off the research facility. Since the relocation staff is deployed there during the Antarctic summer months between November and March. The rest of the year, when temperatures fall below minus 50 degrees Celsius (-58 degrees Fahrenheit) and it is dark for 24 hours, they operate remotely.</p>

<p><strong>Also read |</strong>&nbsp;<a href="https://www.wionews.com/science/climate-change-is-causing-tonnes-of-frozen-bacteria-to-enter-water-says-study-537508"><strong>Climate change is causing tonnes of frozen bacteria to enter water, says study</strong></a></p>

<p>Here's an animation of the break-off event:</p>

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<blockquote class="twitter-tweet">
<p dir="ltr" lang="en">🔵 Iceberg at the Brunt Ice Shelf calving <a href="https://twitter.com/hashtag/Antarctica?src=hash&amp;ref_src=twsrc%5Etfw">#Antarctica</a>🇦🇶 <a href="https://twitter.com/hashtag/Copernicus?src=hash&amp;ref_src=twsrc%5Etfw">#Copernicus</a>🇪🇺 <a href="https://twitter.com/hashtag/Sentinel?src=hash&amp;ref_src=twsrc%5Etfw">#Sentinel</a>-3🛰️ 22 + 24 Jan 2023 Full-size ➡️ <a href="https://t.co/hsIfkhCvye">https://t.co/hsIfkhCvye</a> + <a href="https://t.co/zKVKPeS0cz">https://t.co/zKVKPeS0cz</a> Images are about 144 km wide <a href="https://twitter.com/hashtag/scicomm?src=hash&amp;ref_src=twsrc%5Etfw">#scicomm</a> <a href="https://twitter.com/hashtag/OpenData?src=hash&amp;ref_src=twsrc%5Etfw">#OpenData</a> <a href="https://twitter.com/hashtag/RemoteSensing?src=hash&amp;ref_src=twsrc%5Etfw">#RemoteSensing</a> <a href="https://twitter.com/hashtag/BruntIceShelf?src=hash&amp;ref_src=twsrc%5Etfw">#BruntIceShelf</a> ▶️ Still images in previous tweet 2/2 <a href="https://t.co/GgZUyM9AEE">pic.twitter.com/GgZUyM9AEE</a></p>
— Pierre Markuse (@Pierre_Markuse) <a href="https://twitter.com/Pierre_Markuse/status/1617880888192438278?ref_src=twsrc%5Etfw">January 24, 2023</a></blockquote>
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<p>"Calving" is a natural process in which ice chunks from the edge of a glacier break off and are discharged into the ocean.</p>

<p>This is the second major calving incident in two years. Previously in May 2021, an iceberg four times the size of Abu Dhabi broke off from the Ronne Ice Shelf and fell into the ocean in Antarctica.</p>

<p><em>(With inputs from agencies)</em></p>

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A humongous iceberg the size of Greater London has broken off an Antarctic ice shelf. This is the second such break in around two years, said researchers as they announced the latest event on Monday.

A humongous iceberg the size of Greater London has broken off an Antarctic ice shelf. This is the second such break in around two years, said researchers as they announced the latest event on Monday. The break happened near the United Kingdom's Antarctic-based Halley Research Station. However, as per glaciologists at the research station, the facility remains unaffected by the event. Watch | WION Climate Tracker: Iceberg nearly the size of Greater London breaks off from Antarctica ice shelf 21 members of the staff who are currently at the facility continue to maintain the base and operate its scientific instruments. As per the British Antarctic Survey (BAS), the chunk measures 1,550 square kilometres or 598 square miles. It detached from the 150-metre-thick Brunt Ice Shelf around a decade after scientists first spotted the crack known as Chasm-1. Also read | Scientists suggest a stop-gap solution for 'refreezing' melting ice; will cost whopping $11 billion yearly Citing the research institute, Reuters reports that the iceberg calved "following years of naturally occurring cracks that finally extended across the shelf and caused the new iceberg to break free". "This calving event has been expected and is part of the natural behaviour of the Brunt Ice Shelf," said BAS glaciologist Dominic Hodgson. "It is not linked to climate change," he added. As per Science Alert, in 2016-17, the Halley VI Research Station had to be relocated due to the widening of the Chasm-1. reportedly, at the time cracks started appearing in the ice, and this threatened to cut off the research facility. Since the relocation staff is deployed there during the Antarctic summer months between November and March. The rest of the year, when temperatures fall below minus 50 degrees Celsius (-58 degrees Fahrenheit) and it is dark for 24 hours, they operate remotely. Also read | Climate change is causing tonnes of frozen bacteria to enter water, says study Here's an animation of the break-off event: 🔵 Iceberg at the Brunt Ice Shelf calving #Antarctica🇦🇶 #Copernicus🇪🇺 #Sentinel-3🛰️ 22 + 24 Jan 2023 Full-size ➡️ https://t.co/hsIfkhCvye + https://t.co/zKVKPeS0cz Images are about 144 km wide #scicomm #OpenData #RemoteSensing #BruntIceShelf ▶️ Still images in previous tweet 2/2 pic.twitter.com/GgZUyM9AEE — Pierre Markuse (@Pierre_Markuse) January 24, 2023 × "Calving" is a natural process in which ice chunks from the edge of a glacier break off and are discharged into the ocean. This is the second major calving incident in two years. Previously in May 2021, an iceberg four times the size of Abu Dhabi broke off from the Ronne Ice Shelf and fell into the ocean in Antarctica. (With inputs from agencies) WATCH WION LIVE HERE You can now write for wionews.com and be a part of the community. Share your stories and opinions with us here.

'Greater London-sized' 1,550 sq km iceberg breaks off of Antarctic ice shelf. Watch!

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'Greater London-sized' 1,550 sq km iceberg breaks off of Antarctic ice shelf. Watch!