Hello how may I help you? Hi. What was the loudest sound ever recorded? The loudest sound ever made was by the Krakatoa volcanic eruption in 1883 Okay. How loud was it? The Krakatoa volcano had a sound of 172 decibels Wow. Was anyone injured that heard the sound? over 36,000 people died That's horrible. How far was the eruption heard? Over 3,000 miles, as far as central Australia Wow. Thanks for the info. You are very welcome. Is there anything else I can help you with? No. Have a good day!