previously unknown seamounts less than 3,300 feet (1,000 meters) tall in the SWOT data. The data helped the team further refine maps of tectonic boundaries and ocean currents near coastal areas.

Of all Earth’s seamounts, marine biologists have studied only a few hundred. More finely detailed maps of the surface of Mars may exist than of the remotest parts of the ocean floor. Scientists ...

technical director on the research vessel R/V Falkor (too), which discovered the four new seamounts. The Seabed 2030 project ...