The Nippon Foundation – GEBCO Seabed 2030
This is a project to map the entire ocean floor by the year 2030.
To start, all existing mapping of the ocean bed is to be included. Researchers from every country can submit their own data to the project.
Latest news and press releases here. https://seabed2030.org/resources-journalists
Frequently asked questions at https://seabed2030.org/faq
The following map is from https://seabed2030.org/news/seabed-2030-announces-increase-ocean-data-equating-size-europe-and-major-new-partnership-un


As of 29 June 2022, some 23.4 per cent of the ocean floor has now been mapped.