Stefan Mileschin

Roughly 25 percent (23.4 percent to be exact) of the Earth’s sea floor has been mapped, thanks to an international initiative known as Seabed 2030. Relying largely on voluntary contributions of bathymetric data (or ocean topography) by governments, companies and research institutions, the project is part of a larger UN-led initiative called The Ocean Decade. Seabed 2030 hopes to map 100 percent of the ocean floor by 2030, which researchers say will be possible thanks to advances in technology and corralling already available data. Over the past year alone, Seabed 2030 has added measurements for around 3.8 million square miles (roughly the size of Europe) primarily through newly opened archives, rather than active mapping efforts.

https://www.engadget.com/quarter-sea...2.html?src=rss