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Large Iceberg Breaks Off Pine Island, Antarctica
A large iceberg has just broken off from Pine Island Glacier in Antarctica. Several different processes can cause an iceberg to form, or 'calve', such as action from winds and waves, the ice shelf grows too large to support part of itself or a collision with an older iceberg. A 34-year long study of the glacier has shown that a large iceberg breaks off roughly every 5-10 years. The last event was in 2001.
Source: ScienceDaily