Hello how may I help you? Hello, I have a quick question about a world record. Sure, I can help with that. What was the loudest recorded sound? The loudest recorded sound was from the eruption if Krakatoa Do you wish to know more about this volcano? About how many decibels of sound did that produce? 172 decibels Wow! Thats' pretty loud. I don't think that's the loudest sound though. My database is currently showing that as the highest sound level recorded in history. Alright, I trust you world record bot. Thank you for your help! Thank you for asking your questions. Come back soon so I can help you with more information about world records! Have a good day.