In farewell since 18 December 2025

A77

7,640 kmtravelled in 227 weekly listings

Its drift, week by week

Weekly positions from the US National Ice Center, 20 August 2021 to 18 December 2025.

First listed
20 August 2021, 71.01° S, 12.05° W
Into 2022
7 January 2022, 74.80° S, 26.46° W
Into 2023
6 January 2023, 77.75° S, 38.73° W
Into 2024
4 January 2024, 72.39° S, 55.11° W
Into 2025
2 January 2025, 65.72° S, 58.63° W
Last listed
18 December 2025, 49.39° S, 40.08° W

size on 20 August 2021: 27 × 4 nm
size at its last listing: 27 × 4 nm
last known position: 49.39° S, 40.08° W

Iceberg A77 was last listed by the US National Ice Center on 18 December 2025, at 49.4°S, 40.1°W. Its listed size was about 27 by 4 nautical miles. It was listed in 227 weekly positions from 20 August 2021, drifting about 7,640 km.

Read its farewell page

All 227 weekly positions

Weekly positions and sizes of iceberg A77 from the US National Ice Center list
Date	Position	Size (nautical miles)
2025-12-18	49.4°S, 40.1°W	27 × 4
2025-12-12	50.9°S, 41.1°W	27 × 4
2025-12-05	52.8°S, 42.6°W	27 × 4
2025-11-28	53.3°S, 40.7°W	27 × 4
2025-11-21	54.1°S, 41.3°W	27 × 4
2025-11-14	55.6°S, 40.4°W	27 × 4
2025-11-07	55.8°S, 41.4°W	27 × 4
2025-10-31	56.4°S, 41.2°W	27 × 4
2025-10-23	57.0°S, 41.9°W	27 × 4
2025-10-16	57.0°S, 44.5°W	27 × 4
2025-10-09	57.7°S, 46.1°W	27 × 4
2025-09-26	58.0°S, 49.2°W	27 × 4
2025-09-18	57.9°S, 49.3°W	27 × 4
2025-09-11	57.8°S, 51.0°W	27 × 4
2025-09-04	59.4°S, 53.9°W	27 × 4
2025-08-28	60.1°S, 55.8°W	27 × 4
2025-08-21	60.9°S, 56.6°W	27 × 4
2025-08-14	61.5°S, 58.9°W	27 × 4
2025-08-08	61.6°S, 58.9°W	27 × 4
2025-07-31	61.6°S, 58.4°W	27 × 4
2025-07-24	61.7°S, 57.0°W	27 × 4
2025-07-18	62.2°S, 57.7°W	27 × 4
2025-07-11	62.6°S, 59.0°W	27 × 4
2025-07-04	62.9°S, 59.1°W	27 × 4
2025-06-27	62.8°S, 58.3°W	27 × 4
2025-06-20	62.7°S, 57.8°W	27 × 4
2025-06-12	62.5°S, 56.1°W	27 × 4
2025-06-05	62.8°S, 53.7°W	27 × 4
2025-05-29	63.3°S, 53.6°W	27 × 4
2025-05-22	63.5°S, 53.6°W	27 × 4
2025-05-16	63.8°S, 54.2°W	27 × 4
2025-05-09	63.9°S, 54.8°W	27 × 4
2025-05-02	64.2°S, 54.4°W	27 × 4
2025-04-24	64.4°S, 55.1°W	27 × 4
2025-04-18	64.2°S, 55.6°W	27 × 4
2025-04-11	64.2°S, 55.7°W	27 × 4
2025-04-04	64.2°S, 55.9°W	27 × 4
2025-03-27	64.5°S, 56.0°W	27 × 4
2025-03-21	64.6°S, 56.1°W	27 × 4
2025-03-13	64.8°S, 57.3°W	27 × 4
2025-03-06	64.8°S, 57.5°W	27 × 4
2025-02-28	64.9°S, 57.8°W	27 × 4
2025-02-21	65.1°S, 58.0°W	27 × 4
2025-02-14	65.2°S, 58.0°W	27 × 4
2025-02-06	65.4°S, 58.3°W	27 × 4
2025-01-31	65.5°S, 58.4°W	27 × 4
2025-01-23	65.6°S, 58.5°W	27 × 4
2025-01-16	65.7°S, 58.5°W	27 × 4
2025-01-10	65.7°S, 58.5°W	27 × 4
2025-01-02	65.7°S, 58.6°W	27 × 4
2024-12-26	65.7°S, 58.9°W	27 × 4
2024-12-20	65.7°S, 58.9°W	27 × 4
2024-12-13	65.8°S, 58.7°W	27 × 4
2024-12-06	65.8°S, 58.7°W	27 × 4
2024-11-28	65.9°S, 58.7°W	27 × 4
2024-11-21	65.9°S, 58.9°W	27 × 4
2024-11-15	65.9°S, 59.0°W	27 × 4
2024-11-07	65.8°S, 59.1°W	27 × 4
2024-10-31	65.9°S, 59.1°W	27 × 4
2024-10-25	65.9°S, 59.1°W	27 × 4
2024-10-18	66.1°S, 59.3°W	27 × 4
2024-10-10	66.2°S, 59.3°W	27 × 4
2024-10-04	66.2°S, 59.3°W	27 × 4
2024-09-26	66.8°S, 59.0°W	27 × 4
2024-09-20	66.8°S, 59.1°W	27 × 4
2024-09-13	67.2°S, 59.1°W	27 × 4
2024-09-06	67.4°S, 59.1°W	27 × 4
2024-08-29	67.5°S, 59.2°W	27 × 4
2024-08-22	67.5°S, 59.1°W	27 × 4
2024-08-15	67.5°S, 59.2°W	27 × 4
2024-08-08	67.5°S, 59.2°W	27 × 4
2024-08-02	67.8°S, 59.3°W	27 × 4
2024-07-25	67.8°S, 59.3°W	27 × 4
2024-07-19	68.0°S, 59.3°W	27 × 4
2024-07-12	68.0°S, 59.0°W	27 × 4
2024-07-05	68.5°S, 58.9°W	27 × 4
2024-06-27	68.5°S, 58.9°W	27 × 4
2024-06-21	68.5°S, 58.9°W	27 × 4
2024-06-14	68.5°S, 58.9°W	27 × 4
2024-06-07	68.5°S, 58.9°W	27 × 4
2024-05-31	68.7°S, 58.6°W	27 × 4
2024-05-24	69.1°S, 58.2°W	27 × 4
2024-05-17	69.5°S, 58.0°W	27 × 4
2024-05-09	69.8°S, 57.5°W	27 × 4
2024-05-02	70.0°S, 57.2°W	27 × 4
2024-04-26	70.3°S, 57.1°W	27 × 4
2024-04-19	70.4°S, 56.9°W	27 × 4
2024-04-12	70.3°S, 57.0°W	27 × 4
2024-04-05	70.5°S, 56.8°W	27 × 4
2024-03-29	70.6°S, 56.8°W	27 × 4
2024-03-22	72.0°S, 56.0°W	27 × 4
2024-03-15	71.7°S, 55.8°W	27 × 4
2024-03-07	71.9°S, 55.8°W	27 × 4
2024-03-01	72.0°S, 56.0°W	27 × 4
2024-02-23	72.0°S, 56.2°W	27 × 4
2024-02-16	72.2°S, 55.8°W	27 × 4
2024-02-08	72.1°S, 55.4°W	27 × 4
2024-02-02	72.3°S, 55.4°W	27 × 4
2024-01-25	72.6°S, 54.5°W	27 × 4
2024-01-18	72.4°S, 54.7°W	27 × 4
2024-01-11	72.4°S, 54.7°W	27 × 4
2024-01-04	72.4°S, 55.1°W	27 × 4
2023-12-28	72.5°S, 55.1°W	27 × 4
2023-12-21	72.3°S, 55.5°W	27 × 4
2023-12-15	72.3°S, 55.5°W	27 × 4
2023-12-08	72.6°S, 55.7°W	27 × 4
2023-11-24	72.5°S, 54.6°W	27 × 4
2023-11-17	72.7°S, 54.5°W	27 × 4
2023-11-09	72.5°S, 54.6°W	27 × 4
2023-11-03	72.4°S, 55.4°W	27 × 4
2023-10-26	72.6°S, 55.7°W	27 × 4
2023-10-20	73.2°S, 55.8°W	27 × 4
2023-10-13	73.2°S, 55.9°W	27 × 4
2023-10-06	73.4°S, 55.5°W	27 × 4
2023-09-30	73.5°S, 55.8°W	27 × 4
2023-09-22	73.6°S, 55.7°W	27 × 4
2023-09-15	74.0°S, 55.6°W	27 × 4
2023-09-08	74.6°S, 56.1°W	27 × 4
2023-09-01	74.9°S, 56.0°W	27 × 4
2023-08-25	74.8°S, 54.7°W	27 × 4
2023-08-18	74.8°S, 54.7°W	27 × 4
2023-08-11	75.0°S, 54.0°W	27 × 4
2023-08-04	74.9°S, 53.7°W	27 × 4
2023-07-28	76.6°S, 49.3°W	27 × 4
2023-07-27	75.5°S, 51.8°W	27 × 4
2023-07-21	75.5°S, 51.8°W	27 × 4
2023-07-14	75.5°S, 51.8°W	27 × 4
2023-07-07	75.8°S, 52.0°W	27 × 4
2023-06-30	76.0°S, 52.0°W	27 × 4
2023-06-24	76.4°S, 51.1°W	27 × 4
2023-06-23	76.6°S, 49.3°W	27 × 4
2023-06-15	76.4°S, 50.5°W	27 × 4
2023-06-09	76.5°S, 49.6°W	27 × 4
2023-06-02	76.6°S, 49.3°W	27 × 4
2023-05-26	76.6°S, 48.9°W	27 × 4
2023-05-19	76.6°S, 48.8°W	27 × 4
2023-05-12	76.6°S, 48.1°W	27 × 4
2023-05-05	76.8°S, 46.9°W	27 × 4
2023-04-28	76.9°S, 46.4°W	27 × 4
2023-04-21	76.9°S, 45.1°W	27 × 4
2023-04-14	77.1°S, 44.9°W	27 × 4
2023-04-07	77.1°S, 44.8°W	27 × 4
2023-03-31	77.1°S, 44.8°W	27 × 4
2023-03-24	77.1°S, 43.8°W	27 × 4
2023-03-17	77.2°S, 44.2°W	27 × 4
2023-03-10	77.3°S, 43.6°W	27 × 4
2023-03-03	77.2°S, 43.5°W	27 × 4
2023-02-24	77.3°S, 43.4°W	27 × 4
2023-02-17	77.3°S, 43.0°W	27 × 4
2023-02-10	77.4°S, 42.8°W	27 × 4
2023-02-03	77.6°S, 42.9°W	27 × 4
2023-01-27	77.6°S, 42.1°W	27 × 4
2023-01-23	77.7°S, 39.5°W	27 × 4
2023-01-20	77.7°S, 40.7°W	27 × 4
2023-01-06	77.8°S, 38.7°W	27 × 4
2022-12-30	77.8°S, 37.5°W	27 × 4
2022-12-23	77.8°S, 37.7°W	27 × 4
2022-12-16	77.8°S, 37.0°W	27 × 4
2022-12-09	77.8°S, 37.0°W	27 × 4
2022-12-02	77.8°S, 36.8°W	27 × 4
2022-11-25	77.8°S, 36.7°W	27 × 4
2022-11-18	77.7°S, 36.2°W	27 × 4
2022-11-11	77.7°S, 36.3°W	27 × 4
2022-11-04	77.7°S, 36.4°W	27 × 4
2022-10-28	77.7°S, 36.3°W	27 × 4
2022-10-21	77.7°S, 36.2°W	27 × 4
2022-10-14	77.7°S, 36.3°W	27 × 4
2022-10-07	77.5°S, 36.1°W	27 × 4
2022-09-30	77.5°S, 35.9°W	27 × 4
2022-09-23	77.4°S, 35.6°W	27 × 4
2022-09-16	77.1°S, 35.8°W	27 × 4
2022-09-09	76.9°S, 36.5°W	27 × 4
2022-09-02	77.2°S, 36.1°W	27 × 4
2022-08-26	77.2°S, 36.2°W	27 × 4
2022-08-19	77.3°S, 36.5°W	27 × 4
2022-08-12	77.4°S, 36.6°W	27 × 4
2022-08-05	77.5°S, 36.4°W	27 × 4
2022-07-29	77.5°S, 35.9°W	27 × 4
2022-07-22	77.0°S, 35.4°W	27 × 4
2022-07-15	76.7°S, 35.6°W	27 × 4
2022-07-08	76.9°S, 35.5°W	27 × 4
2022-07-01	77.1°S, 34.4°W	27 × 4
2022-06-24	77.1°S, 34.7°W	27 × 4
2022-06-17	77.1°S, 33.9°W	27 × 4
2022-06-10	76.8°S, 32.6°W	27 × 4
2022-06-03	76.4°S, 31.8°W	27 × 4
2022-05-27	76.3°S, 31.4°W	27 × 4
2022-05-20	76.0°S, 31.1°W	27 × 4
2022-05-13	76.0°S, 31.4°W	27 × 4
2022-05-06	75.8°S, 30.2°W	27 × 4
2022-04-29	75.7°S, 30.2°W	27 × 4
2022-04-22	75.7°S, 30.1°W	27 × 4
2022-04-15	75.5°S, 29.8°W	27 × 4
2022-04-08	75.3°S, 29.6°W	27 × 4
2022-04-01	75.0°S, 29.4°W	27 × 4
2022-03-25	74.8°S, 28.6°W	27 × 4
2022-03-18	74.8°S, 27.9°W	27 × 4
2022-03-11	74.8°S, 27.5°W	27 × 4
2022-03-04	74.9°S, 27.6°W	27 × 4
2022-02-25	74.8°S, 28.1°W	27 × 4
2022-02-18	74.9°S, 27.9°W	27 × 4
2022-02-11	74.8°S, 28.3°W	27 × 4
2022-02-04	74.8°S, 27.8°W	27 × 4
2022-01-28	74.7°S, 27.1°W	27 × 4
2022-01-21	74.7°S, 26.4°W	27 × 4
2022-01-17	74.8°S, 26.3°W	27 × 4
2022-01-07	74.8°S, 26.5°W	27 × 4
2021-12-31	74.8°S, 26.5°W	27 × 4
2021-12-24	74.8°S, 26.4°W	27 × 4
2021-12-17	74.7°S, 26.2°W	27 × 4
2021-12-10	74.5°S, 26.1°W	27 × 4
2021-12-03	74.4°S, 26.2°W	27 × 4
2021-11-26	74.4°S, 26.6°W	27 × 4
2021-11-19	74.4°S, 26.8°W	27 × 4
2021-11-12	74.3°S, 27.1°W	27 × 4
2021-11-05	74.2°S, 27.3°W	27 × 4
2021-10-29	73.9°S, 26.7°W	27 × 4
2021-10-22	73.7°S, 26.7°W	27 × 4
2021-10-15	73.6°S, 25.2°W	27 × 4
2021-10-08	73.3°S, 24.6°W	27 × 4
2021-10-01	73.4°S, 23.4°W	27 × 4
2021-09-24	73.1°S, 22.2°W	27 × 4
2021-09-17	72.7°S, 19.9°W	27 × 4
2021-09-10	71.9°S, 17.5°W	27 × 4
2021-09-03	71.4°S, 15.5°W	27 × 4
2021-08-27	71.0°S, 14.0°W	27 × 4
2021-08-20	71.0°S, 12.1°W	27 × 4

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

Farewell, A77

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.

Get its farewell pack, $6.99Opens soon

First listed20 August 2021

227 weekson the list

Last listed18 December 2025

Icebergs nearby this week

A81 about 625 km away, 1,342 km²
D32 about 771 km away, 106 km²
D33B about 1,071 km away, 321 km²
D35 about 1,219 km away, 216 km²
A85 about 1,255 km away, 62.6 km²
A76C about 1,293 km away, 278 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.