What was the loudest sound in the world? A volcanic eruption produced the most powerful noise worldwide. The sound of the Krakatoa eruption in 1883 caused shock waves 10,000 times more powerful than that of an hydrogen bomb and shattered the eardrums of sailors over almost 40 miles away. The loudest noise in history was produced … Continue reading The Krakatoa eruption of 1883 caused shock waves 10,000 times more powerful than that of an hydrogen bomb and shattered eardrums of sailors 40 miles away – And that’s the story of the loudest sound on Earth