This giant chunk of ice could break off Antarctica any day
A chunk of ice more than twice the size of New Yorks Manhattan could break off from Antarcticas Brunt Ice shelf essentially at any moment.
Two large cracks in the shelf have been inching further open over the past few years. When they finally intersect, a berg about 660 square miles wide and almost 500 feet thick will be released into the oceanwhere it will eventually melt, joining its brethren in adding more water to the worlds oceans and pushing global sea levels a tiny bit higher.
Its no surprise that the giant berg would eventually break off: The Brunt Ice Shelf is one of the most carefully monitored ice tongues in the world, because its the site of the Halley Research Station, a major center for the British Antarctic Surveys research activities in the region. But no one knows exactly when the berg will dislodge.
Nor is the berg the biggest to break off Antarctic ice sheets in recent years. That prize goes to a Delaware-sized chunk (something like 2,240 square miles) that peeled off the nearby Larsen-C ice sheet in 2017. But this hunk is nothing to sneeze at.
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