The U.S. National Ice Center (USNIC) has confirmed that iceberg A-80D (figure 1, below) calved from iceberg A-80A in the Weddell Sea. As of February 24, A-80A was centered at 72°02' South and 59°17' West and measured 12 nautical miles on its longest axis and 8 nautical miles on its widest axis...

SUITLAND, MD — The U.S. National Ice Center (USNIC) has confirmed that iceberg C-39 (figure 1, below) has calved from the Scott Glacier area of the Shackleton Ice Shelf in the Wilkes Land Region of Antarctica. As of April 22, C-39 was centered at 65° 40' South and 99° 44' East and measured 15...