Iceberg nearly twice Atlanta’s size breaks away

ANTARCTICA (CNN/NASA) — Scientists say a massive iceberg with an area almost twice the size of Atlanta is moving into the ocean off Antarctica.

It could threaten shipping during the Antarctic winter.

In a report from NASA’s Earth Observatory, scientists say the ice island covers 255 square miles and could be almost one-third of a mile thick.

NASA says the iceberg broke away from Antarctica’s Pine Island Glacier last November.

The crack that produced it was first spotted in 2011. provides commenting to allow for constructive discussion on the stories we cover. In order to comment here, you acknowledge you have read and agreed to our Terms of Service. Users who violate these terms, including use of vulgar language or racial slurs, will be banned. Please be respectful of the opinions of others. If you see an inappropriate comment, please flag it for our moderators to review.

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