Hello how may I help you? I have a question about world records, could you answer it for me? I'll see what I can do. Could you let me know your question? What was the loudest recorded sound? The worlds loudest recorded sound was by the Krakatoa volcanic eruption in 1883. It was so loud that it ruptured eardrums of people 40 miles away. Wow, not something I would of guessed. It had the same loudness of standing close to a jet engine! That's definitely something. Thanks for the answer!! You're welcome. Is there any other requests I can fulfill for you today? Do you happen to know the second loudest? The human threshold for pain is near 130 decibels, so I would be cautious if you wish to learn about the second loudest sound. Curiosity killed the cat ;). Thanks for your time! Have a good day