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Scientists will record the whereabouts of every sunken volcano, mountain and shipwreck using sound wave technology.

It could also turn people into real-life treasure hunters by searching the collection of online maps.

The advanced multi-beam sonar system is able to scan the seabeds – at the width of hundreds of metres at a time – and instantly turn the data into charts.

(Image: GETTY)

It will be the world’s most ambitious map project and is hoped to be finished by 2030.

Sea travellers could also be alerted to hazards before disaster strikes.

In 2005 a sailor died when an American nuclear submarine called USS San Francisco hit a sea mountain in the Pacific Ocean.

Some 97 crew members were injured in the crash that happened while the submarine was travelling at 40mph.

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It is not clear whether the mountain was in charted waters.

But the new map system would reveal the locations of more than 100,000 peaks standing more than half a mile high.