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Watch the latest animation from Oxford Sparks.

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Oceans cover more than 70% of the Earth's surface, yet only 15% of the ocean floor has been mapped in detail. Much remains unknown, including the location of potentially hundreds of thousands of seamounts, which can be hazardous to navigation. Scientists at the University of Oxford are working with others to compile the most comprehensive analysis of the ocean floor yet. 

See the Oxford Sparks website for the full article

Oxford Sparks is a great place to explore and discover science research from the University of Oxford. Oxford Sparks aims to share the University's amazing science, support teachers to enrich their science lessons, and support researchers to get their stories out there. Follow Oxford Sparks on Twitter @OxfordSparks and on Facebook @OxSparks.