Hello how may I help you? I have a question about World Records I can help with world record questions and info. What do you want to know more about? What was the loudest sound ever rocorded? The loudest sound ever recorded was the Krakatoa volcanic eruption in 1883. It was heard up to 3,000 miles away WOW that is loud!! What is the second loudest sound ever recorded? A blue whale. How loud was that? Blue whales can make noises up to 188 decibels, making them the second loudest thanks for the information No problem. I am always here to help you with your world record questions!