Scientists have come up with a new high-resolution map of the ocean floor. The newly released findings show nearly 100,000 underwater mountains that were previously unknown.
David Sandwell from Scripps Institution of Oceanography contributed to this research and credits advanced satellite observations for the detailed results.
The SWOT mission, launched in December 2022, is central to collecting the critical data that enabled this mapping effort.
Mapping the ocean floor with ships takes time, fuel, and money. Even with sonar, a single vessel might only cover a narrow strip of seafloor each day.
Satellites like SWOT cover about 90% of the Earth every 21 days. They don’t match the detail of sonar, but they make up for it with speed, scale, and frequency of observation.
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David Sandwell from Scripps Institution of Oceanography contributed to this research and credits advanced satellite observations for the detailed results.
The SWOT mission, launched in December 2022, is central to collecting the critical data that enabled this mapping effort.
Mapping the ocean floor with ships takes time, fuel, and money. Even with sonar, a single vessel might only cover a narrow strip of seafloor each day.
Satellites like SWOT cover about 90% of the Earth every 21 days. They don’t match the detail of sonar, but they make up for it with speed, scale, and frequency of observation.

NASA's new underwater map reveals nearly 100,000 hidden mountains beneath the ocean
New high-resolution satellite map reveals nearly 100,000 unknown ocean mountains, or seamounts, boosting climate and maritime research.