Mesmerising footage shows moment divers find century-old shipwreck which ...

The shipwreck of a tugboat that was lost to the ocean a century ago has been found by a team of divers. 

On July 9, 1917 the steam tug Nyora was ferrying an American four-masted motor sailing ship, the Astoria, back to Sydney when a wild storm caught them off the South Australian coastline. 

Dive footage shows the century-old shipwreck almost completely swallowed by the ocean floor after resting there for 102 years, its portholes still easily identifiable. 

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The shipwreck of a tugboat (pictured) that was lost to the ocean a century ago has been found by a team of divers off the coast of South Australia

The shipwreck of a tugboat (pictured) that was lost to the ocean a century ago has been found by a team of divers off the coast of South Australia

On July 9, 1917 the tug Nyora was ferrying an American four-masted motor sailing ship, the 'Astoria', back to Sydney when a wild storm caught them off the South Australian coastline

On July 9, 1917 the tug Nyora was ferrying an American four-masted motor sailing ship, the 'Astoria', back to Sydney when a wild storm caught them off the South Australian coastline

As the two boats were 50km off Cape Jaffa, south-east of Adelaide, the Nyora started to list in heavy swell, forcing the crew to cut the tow line in an attempt to save both vessels. 

But their efforts were not enough to save the ship after a large wave smashed into the engine room of the vessel and started to sink it stern-first.  

There were 16 crew on board the Nyora and 12 went down with the ship while the last four were able to cling to an upturned lifeboat.

Two of those crew members died from exposure while in the boat, leaving Captain William McBain and seaman Gordon Lansley as the only two survivors.

They were both returned to Melbourne the following week where Captain McBain described the tragic incident. 

Captain McBain was witnessed disembarking in Melbourne, where he expressed 'deep sorrow' at the loss of fourteen crew. 

Sadly the crew weren't able to save the Nyora after a large wave smashed into the engine room of the vessel and started to sing it stern first

Sadly the crew weren't able to save the Nyora after a large wave smashed into the engine room of the vessel and started to sing it stern first

There were 16 crew on board the Nyora and all but four were lost with the boat while the last four were able to cling to an upturned lifeboat

There were 16 crew on board the Nyora and all but four were lost with the boat while the last four were able to cling to an upturned lifeboat

'I did my best to save the men and the ship, I think most of the crew were dragged down in the suction when the tug went under,' Captain McBain said at the time. 

'It was an exceptionally heavy sea which struck struck us on Monday morning, the engine room door was smashed in and the tug filled with water.' 

By 7.30pm that evening the exhausted survivors spotted the distant lights of the Margaret Brock Reef Lighthouse and used what strength they had left to paddle towards it. 

They paddled for the entire night without reaching the lighthouse and as dawn broke the

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