
Argentina’s Federal Fisheries Council (CFP) recorded that it had “no objections,” within its remit, to a United States request for a marine scientific research cruise by the R/V Roger Revelle inside Argentina’s Exclusive Economic Zone between March 5 and March 30, 2026. In the same document, the council asked for “all basic data” plus “preliminary and final reports” to be submitted to Argentine authorities prior to any publication of results.
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A new study has reconstructed the evolution of the planet’s strongest nonhydrostatic geoid depression —the Antarctic Geoid Low (AGL)— finding that the feature has persisted for at least 70 million years and underwent a major shift in both position and strength between roughly 50 and 30 million years ago.
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Viridien (CGG Services) has told Uruguay’s Environment Ministry it aims to begin offshore seismic exploration in February, after submitting the environmental management plan required by the National Directorate for Environmental Quality and Assessment (Dinacea) as a precondition to operate in Uruguayan waters, according to local media reporting.

Argentina’s government under President Javier Milei has intervened in the port of Ushuaia—the country’s southernmost port and a major gateway to Antarctica—taking control of operations for one year in a move that has reignited tensions with the Tierra del Fuego provincial administration and opened a wider dispute over federal authority.

Argentine outlet criticized a Royal Air Force (RAF) transport Airbus A400M Atlas aircraft stopping in Chile and Uruguay on its way to the Falkland Islands, questioning the role of the two South American countries in the British strategy to maintain a permanent military presence in the South Atlantic, despite UN resolutions urging a resolution to the sovereignty dispute with Argentina.

The vitally important issue of unregulated fishing in the South Atlantic will be addressed during a fringe meeting at the Liberal Democrat Conference next 21st September at the Bournemouth International Center. Full name of the presentation will be, “Protecting the Blue Frontier: Combating unregulated fishing in the South Atlantic.”

The Falkland Islands Government (FIG) has launched ThinkFalklands.com, a new online platform designed to encourage professionals and families to relocate to the South Atlantic territory. The initiative highlights career opportunities, community life, and natural beauty while offering practical guidance on visas, jobs, and living conditions.

By A. S. H. Smyth, (*)

For the passionate adventurer, a South Atlantic luxury cruise is an opportunity to explore some of the most pristine locations in the world. Cruise lines that travel this route take guests on a fun-filled exploration of the Southern Hemisphere, cruising from South Africa to Antarctica or the other way around.

The California based Schmidt Ocean Institute (*) has announced its 2025 expedition schedule will take it to the South Atlantic Ocean, including Antarctica, South Georgia, Patagonian shelf, Mar del Plata and Uruguay.