TIL less than 25% of seafloor is mapped!!!
I figured it would be much, much higher. I wonder if militaries have more mapped but consider it secret. That is also mostly shallower areas (for submarine evasion and detection).
I figured it would be much, much higher. I wonder if militaries have more mapped but consider it secret. That is also mostly shallower areas (for submarine evasion and detection).
Almost certainly, although I expect they focus a lot more on some areas than others. And they probably care about the deepest parts of the ocean floor less than the rest; if the ocean is so deep that it crushes anything short of a bathysphere, then it's probably less important to have precise maps of the ocean floor in those areas.