An Encounter With A23a, the World’s Largest Iceberg

On the move since 2020, A23a is slowly drifting away from Antarctica and out to sea.
An Encounter With A23a, the World’s Largest Iceberg
The world's largest iceberg, A23a, in the Scotia Sea between Antarctica and South Georgia. Juergen Brand/Shutterstock
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It was, as they say, just the tip of the iceberg—although, in this case, that’s rather hard to picture. The day dawned with great anticipation on the ship. We had set sail from the southernmost reaches of Argentina, headed for Antarctica. The crossing on the Drake Passage, a body of water infamous for its turbulence, had been unusually calm, with our ship, the Sapphire Princess, running with the wind over a 9-foot swell.

But this morning, as we slowly made our progress through Antarctic waters, the weather turned on us, just a little bit. Lying snug in my bed, I could hear the polar wind whistling outside. I stayed like that, warm and sleepy, for a few extra minutes, before curiosity beckoned me to my balcony window. What wintry wonder would I see out there?

Tim Johnson
Tim Johnson
Author
Toronto-based writer Tim Johnson is always traveling in search of the next great story. Having visited 140 countries across all seven continents, he’s tracked lions on foot in Botswana, dug for dinosaur bones in Mongolia, and walked among a half-million penguins on South Georgia Island. He contributes to some of North America’s largest publications, including CNN Travel, Bloomberg, and The Globe and Mail.
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