Quarter of the world’s ocean floor has been mapped, so far

The Seabed 2030 Project aims to create a complete map of the world’s ocean floor. They recently announced that they are a quarter of the way there:

On World Hydrography Day, The Nippon Foundation-GEBCO Seabed 2030 Project has announced that 27.3% of the world’s ocean floor has now been mapped to modern standards. The increase in data represents more than four million square kilometres of newly mapped seafloor – an area roughly equivalent to the entire Indian subcontinent.

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From improving tsunami early-warning systems to guiding the installation of undersea cables and identifying biodiversity hotspots, seafloor data enables informed, real-world action.