PenguinTracker / Icebergs / C21B
Iceberg C21B
Tabular iceberg · last fix 08/13/2026
Iceberg C21B covers 259 km² and was last fixed at 64°59'S 95°50'E on 08/13/2026. That makes it the 12th largest of the 33 icebergs the US National Ice Center currently tracks, carrying 2.1% of all tracked berg area.
Area259 km²
Rank by area12th of 33 tracked
Share of tracked ice2.1%
Last fix08/13/2026
Position64°59'S 95°50'E
Decimal-64.980, 95.830
Distance to pole2,782 km
Treaty areainside 60°S
How it got its name
The letter records the quadrant the berg was first sighted in — C is 180°–90°E, the western Ross Sea and Wilkes Land — and the number is issued in sequence. A trailing letter marks a fragment that broke off a parent berg, so C21B came off C21.
Nearest tracked bergs
Nearest stations
C21B at its last fix. Rings are 60°, 70° and 80°S.
Within 346 km. Blue dots are other tracked bergs, orange are stations.
Positions are refixed weekly. Drift tracks appear here once the archive has more than one week of fixes for this berg.