Scientists Have Explored Just 0.001% of Deep Ocean Floor, New Study Finds

A comprehensive analysis in Science Advances reveals that humans have explored less than 0.001% of the deep seafloor -- an area equivalent to merely one-tenth the size of Belgium. Oceanographer Katherine Bell and colleagues at the Ocean Discovery League compiled data from approximately 44,000 deep-sea dives conducted between 1958 and 2024, finding that expeditions have concentrated overwhelmingly around waters near the United States, Japan, and New Zealand.
The study exposes significant gaps in