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A three-mile deep, 70-mile long crack in Antarctica could soon cause a chunk of the continent to break off and float away as a massive, state-sized iceberg, Popular Science reports.
The piece of ice threatening to snap off comes from a region called "Larsen C" and only makes up about 12 percent of the ice sheet's total area. Still, it would create an iceberg the size of Delaware if it were to detach. Larsen C would then go the way of ice sheets Larsen A and B, both of which broke off the continent in a similar fashion over the last 20 years.
Usually ice sheets break up in much smaller pieces, but giant rifts such as the one growing in Antarctica now are becoming more and more likely due to what scientists believe are effects from climate change.