Hello how may I help you? You know about world records right Yes I do. What was the loudest sound ever recorded The loudest sound ever recorded was made by the Krakatoa volcanic eruption in 1883. Wow that's crazy so of a cannon with the loudest sound ever recorded thank you for the information. Can I help with anything else? No that's all for today you've been a great help Please let me know if you need anything else. OK will do Have a good day.