What percentage of the ocean floor has been mapped in detail?
Science hard Data from 2024
Guess before you scroll — the answer is below
The answer
26%
Roughly 26.
Only about 26% of the sea floor has been mapped at high resolution. We have better maps of the surface of Mars than of most of our own ocean floor, mainly because sonar surveys are slow and expensive.
Where this number comes from
| Source | Seabed 2030 project / GEBCO |
|---|---|
| Figure refers to | 2024 |
| Last checked | |
| Unit | percent |
Numbers move. If this one has drifted from its source, let us know.
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