Australian International Maritime Treaty Boundaries 2020

Geoscience Australia's 2020 digital representation of Australia's international maritime treaty boundaries includes updates for the 2018 Timor-Leste treaty. The dataset covers the full Australian marine jurisdiction, from approximately 8°S to 70°S latitude and 39°E to 174°E longitude. It was published in consultation with other Commonwealth agencies like the Attorney-General's Department and the Department of Foreign Affairs and Trade.

Use Cases

• Map the Area of Overlapping Jurisdiction with Timor-Leste using updated treaty geometry.
• Analyze harmonized Australia-Indonesia MOU and PFSEL boundaries converted to WGS84 datum.
• Visualize the full extent of Australian marine jurisdiction, including waters adjacent to the mainland and external territories.

Strengths

• Includes the 2018 Australia Timor-Leste Maritime Boundaries Treaty update.
• Covers a broad geographic extent spanning latitudes 8°S to 70°S and longitudes 39°E to 174°E.
• Published by the authoritative national agency Geoscience Australia in consultation with other government departments.

Limitations

• Specific row counts, column names, and sample data are unavailable for review.
• The data is a digital representation, and treaty documents prevail in case of inconsistency.
• Currency is June 2020, which may not reflect subsequent treaty changes.

Provenance

Source

Geoscience Australia, in consultation with the Attorney-General's Department, Department of Foreign Affairs and Trade, and the Australian Hydrographic Office.

Collection Method

Delineation of Australia's international maritime limits and boundaries from treaties.

Time Range

Epoch 2020, incorporating treaties up to 2018.

Freshness

Data epoch is 2020; platform metadata shows a record update in April 2026.

Geography

Whole of Australian marine jurisdiction, including mainland, offshore islands, and External Territories.