The world's largest iceberg, A23a, has grounded 73 kilometers off South Georgia Island, alleviating concerns about a potential collision that could have disrupted the local wildlife's food supply.

Known as A23a, the megaberg weighs almost one trillion tonnes and measures 3,900 square kilometers (1,500 square miles) in size – that’s twice as big as Greater London. From top to bottom ...

According to the British Antarctic Survey research organization, the mass known as A23a has stopped drifting and run aground ...

A23a is 3900 square kilometres in area, making it more than twice the size of Greater London and more than four times the size of New York City. It is 400 metres thick and it once housed a Soviet ...

Southwest of South Georgia and stretching further than the eye can see, Iceberg A23a is 40 miles wide and a total of 3,100 Sq Km, making it larger than Greater London. It is also estimated to be ...

An curved arrow pointing right. A British research ship has filmed A23a, the world's largest iceberg, which has broken away from the Antarctic ice shelf and is now moving at speed, potentially ...

The world's biggest iceberg, A23a, has grounded in shallow waters off South Georgia, a remote South Atlantic British island home to millions of penguins and seals. The iceberg, which is roughly ...

Antarctica experienced a moderate increase in sea ice until 2015, followed by a sharp decline starting in 2016.

Scientists now have good numbers to describe the true scale of the world's biggest iceberg, A23a. Satellite measurements show the frozen block has a total average thickness of just over 280m (920ft).

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