The Bloop

In 1997, underwater microphones 5,000 km apart picked up one of the loudest sounds ever recorded in the ocean.

Why we kept this

It took over a decade of guessing before scientists settled on 'ice, probably' and that's a strangely satisfying anticlimax.

Visit The Bloop

If you liked that

• Mary Celeste
• Underwater Brine Pools
• The Dancing Plague of 1518
• The Lead Masks Case
• Lincolnshire Poacher (numbers station)
• The Max Headroom signal hijacking
• Archive of the Odd
• The Night an Alien Hijacked British TV

Stumble upon something else

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