New sea floor map reveals undiscovered underwater world

Scientists have created a new map of the sea floor, revealing 90 per cent of the seafloor that has previously been a mystery.

The new map reveals deep underwater scars and thousands of sea mountains, some rising more than 1.6km from the sea floor. Using radar equipment, the new method takes satellite gravity measurements of the seafloor to capture detailed geographical features.

University of Sydney geophysicist Dietmar Muller says a huge proportion of the sea floor was previously unchartered. “We know much more about the topography of Mars than we know about Earth’s sea floor,” he said. The new knowledge could have implications for oil exploration and military purposes.

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[img source] Scripps Institution of Oceanography