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Scientists Discover Submarine Mountains and Blue Hole in Caribbean

3/8/2026

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Summary

Story summary

Over six weeks, scientists mapped nearly 25,000 sq km of seafloor in Britain's Caribbean territories, uncovering a submarine mountain range and a massive blue hole.
They found a 4 km reef with ancient black coral and a vertical sinkhole that may be the deepest blue hole in the Caribbean.
The team says the discoveries support biodiversity management and help the United Kingdom meet its 2030 ocean protection commitments.

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Story summary

Over six weeks, scientists mapped nearly 25,000 sq km of seafloor in Britain's Caribbean territories, uncovering a submarine mountain range and a massive blue hole.
They found a 4 km reef with ancient black coral and a vertical sinkhole that may be the deepest blue hole in the Caribbean.
The team says the discoveries support biodiversity management and help the United Kingdom meet its 2030 ocean protection commitments.