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In farewell since 21 November 2025

A23I

836 kmtravelled in 10 weekly listings

Its drift, week by week

Weekly positions from the US National Ice Center, 11 September 2025 to 21 November 2025.

  1. First listed

    11 September 2025, 53.00° S, 36.94° W

  2. Last listed

    21 November 2025, 49.76° S, 39.23° W

40° W35° W55° S50° S100 kmN
size on 11 September 2025
19 × 11 nm
size at its last listing
19 × 11 nm
last known position
49.76° S, 39.23° W

Iceberg A23I was last listed by the US National Ice Center on 21 November 2025, at 49.8°S, 39.2°W. Its listed size was about 19 by 11 nautical miles. It was listed in 10 weekly positions from 11 September 2025, drifting about 836 km.

Read its farewell page

All 10 weekly positions
Weekly positions and sizes of iceberg A23I from the US National Ice Center list
DatePositionSize (nautical miles)
49.8°S, 39.2°W19 × 11
49.8°S, 39.2°W19 × 11
50.3°S, 39.9°W19 × 11
50.3°S, 39.9°W19 × 11
50.9°S, 40.5°W19 × 11
52.3°S, 41.6°W19 × 11
53.5°S, 40.0°W19 × 11
53.2°S, 37.5°W19 × 11
52.4°S, 37.1°W19 × 11
53.0°S, 36.9°W19 × 11

Download every position as CSV or GeoJSON from the research portal.

Farewell, A23I

It was no longer listed by the US National Ice Center. Its farewell pack holds a certificate of passing, its final portrait from space and a life sheet with every position.

Its life on the weekly list

First listed11 September 2025

10 weekson the list

Last listed21 November 2025

Icebergs nearby this week

  • D32 about 859 km away, 106 km²
  • A81 about 868 km away, 1,342 km²
  • A76C about 1,013 km away, 278 km²
  • D33B about 1,135 km away, 321 km²
  • D35 about 1,219 km away, 216 km²
  • A85 about 1,462 km away, 62.6 km²

Every iceberg tracked this week

Iceberg positions and sizes: US National Ice Center. Adoption is symbolic. Adoptice is not affiliated with the US National Ice Center.