In 1997, researchers recorded the loudest sound ever heard underwater.<br /><br />It was called The Bloop — a deep, powerful sound that echoed across the Pacific Ocean... but no known creature or machine could’ve made it.<br /><br />Some say it came from a massive iceberg. Others believe it was something still undiscovered… or perhaps not from this world at all.<br /><br />What do you think made The Bloop?<br /><br />🔔 Subscribe for more real, mysterious facts every week.<br /><br />#TheBloop #OceanMysteries #UnsolvedSounds
