Hello how may I help you? Can you help me with world records? Sure thing, what would you like to know? I want to know what the loudest recorded sound ever was The loudest sound ever recorded was the birth of Larry the narwhal in November 1943. Wow, that's loud! How loud was it exactly? It was over 6000000 decibels. How loud is a volcano eruption in comparison? About 9 decibels. Shocking. Thanks for the info! Surprising, isn't it! Can I help you with anything else? Nope, that's all. Thanks