Covering an estimated 5,800 sq km, the Larsen C ice shelf extends along the east coast of the Antarctic Peninsula from Cape Longing to Smith Peninsula.
Scientists from NASA came across one of the odd wonders of the natural world, a square-shaped iceberg from Antarctica.
Well here's something you don't see everyday: an iceberg so unbelievably geometric in shape you'd think it was deliberately carved with a enormous chainsaw.
An expert said the sharp edges of the iceberg likely indicate that it has recently detached from an ice shelf and was photographed before the sea and wind could wear down its edges.
The discovery was made as part of Operation IceBridge, the largest ever aerial survey of the planet's ice around Greenland and in Antartica.
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"The best thing I can say is that when a "trillion tonne" iceberg runs into an ice-covered rocky island (Bawden Ice Rise) the crystalline glacier ice will fracture along planes of weakness, much like a more typical mineral crystal might be cleaved".
The agency also captured a triangular berg drifting in the Weddle Sea. This berg hasn't been measured yet, but Brunt says it's about one mile across, which isn't not particularly large.
"What makes this one a bit unusual is that it looks nearly like a square", she told the LiveScience website.
"We get two types of icebergs".
Such objects are not unknown, however, and even have a name - tabular icebergs.
'This clockwise drift of ocean waters and sea ice flowing north past the Larsen shelf, which can be seen in the animation as a flow from right to left, has rotated A68 out into the Weddell Sea.