CURRENT ANTARCTIC ICEBERG POSITIONS
The Southern Hemisphere Iceberg database is updated weekly with the latest iceberg information posted by 1200 every Friday. Please note that there are times when no imagery is available in the area of a specific iceberg in a given week and the information cannot be updated. Every iceberg is tracked, and when imagery is available, information is updated and posted. Any questions or comments can be sent to the National Ice Center Liaison.
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IcebergDate UpdatedImage Source for UpdateLatitudeLongitudeSize (NM)Archived Image
A43D2009309ENVISAT-70.41 S-57.54 W11X05 A43D
D152009308ENVISAT-66.45 S81.54 E53X30 D15
C262009309ENVISAT-69.17 S159.4 E10X02 C26
C272009309ENVISAT-64.41 S96.44 E10X05 C27
B292009309RADARSAT-74.42 S-109.09 W13X05 B29
B282009309RADARSAT-74.51 S-109.04 W10X07 B28
B15V2009310MODIS-66.21 S58.51 E18X02 B15V
A23A2009309RADARSAT-76.02 S-41.22 W40X32 A23A
A272009309RADARSAT-75.21 S-42.14 W10X08 A27
A562009309MODIS-77.03 S-50.17 W14X07 A56
A572009309MODIS-77.36 S-48.4 W19X05 A57
A592009309RADARSAT-70.14 S-73.15 W13X04 A59
A602009309RADARSAT-70.19 S-73.01 W11X02 A60
B09B2009308ENVISAT-67.14 S148.15 E50X20 B09B
B15B2009310ENVISAT-65.42 S56.02 E22X04 B15B
B15F2009308ENVISAT-69.42 S8.42 E18X05 B15F
B15G2009309ENVISAT-66.27 S48.06 E25X08 B15G
B15I2009308ENVISAT-65.35 S148.22 E11X02 B15I
B15J2009308ENVISAT-65.48 S147.4 E27X15 B15J
B15K2009310ENVISAT-69.42 S0.38 E29X03 B15K
B15N2009309ENVISAT-61.132 S79.08 E27X04 B15N
B15R2009310ENVISAT-65.22 S54.36 E10X02 B15R
B15T2009310MODIS-66.2 S59.38 E36X13 B15T
B162009308ENVISAT-66.5 S149.5 E17X08 B16
B17A2009309ENVISAT-64.23 S101.2 E19X08 B17A
B21A2009309RADARSAT-72.49 S-109.58 W12X07 B21A
B22A2009309RADARSAT-74 S-107.25 W44X26 B22A
B272009309RADARSAT-72.55 S-119.37 W14X07 B27
C14A2009308ENVISAT-67.22 S146.41 E11X05 C14A
C152009308ENVISAT-67.37 S146.41 E15X11 C15
C162009310MODIS-65.18 S91.04 E24X08 C16
C18B2009308ENVISAT-65.49 S115.07 E20X05 C18B
C19C2009309ENVISAT-70.44 S-10.59 W20X13 C19C
C21B2009309ENVISAT-64.59 S95.55 E13X12 C21B
C242009309ENVISAT-64.51 S95.59 E10X02 C24
D142009309MODIS-69.28 S75 E14X09 D14
D202009309MODIS-69.42 S74.4 E11X06 D20

Antarctic icebergs are identified and named by the National Ice Center (NIC), when they meet two basic requirements. The first requirement is that the iceberg must measure at least 10 nm along the long axis. The second requirement is the iceberg be south of 60S latitude. The NIC will continue to track all icebergs that meet these requirements. Exceptions to the requirements above are made for operational purposes and are subject to change with future advances in satellite imagery. Reduction in size below 10 nm will result in removal from database. Loss of visual sighting for 30 consecutive days of a iceberg north of 60S latitude will also result in removal from database as well as warnings disseminated to vessels in the region. Iceberg names are derived from the Antarctic quadrant in which they were originally sighted.

Antarctic Icebergs calve from numerous ice shelves in Antarctica. When an iceberg is first sighted and meets the above requirements, the NIC documents its point of origin. The letter of the quadrant, along with a sequential number is assigned to the iceberg. For example, A-38 is sequentially the 38th iceberg found by the NIC in Antarctica between 0-90W (Quadrant A). When a currently identified and named iceberg breaks apart, the new division(s) are also named. These "new" icebergs include the "host" iceberg's original name and an alpha suffix to identify it as a product of the original iceberg. Therefore, if A-38 breaks into three pieces, the three new icebergs would be designated as A-38A (the host iceberg with a revised alpha suffix), A-38B, and A-38C.

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Page last updated on January 27, 2009