The single loudest sound ever recorded was the eruption of the Krakatoa volcano in 1883 — heard from approximately 4,800 kilometers away in the middle of the Indian Ocean — with a sound wave so powerful it traveled around the entire planet four times, was measured on barometers thousands of miles distant, and ruptured the eardrums of sailors aboard ships up to 65 kilometers from the eruption site

At 10:02 in the morning of 27 August 1883, the volcanic island of Krakatoa in the Sunda Strait between Java and Sumatra produced an explosion of almost incomprehensible power. The blast was the third and loudest of four climactic detonations of a multi-day eruption that had been building since 5:30 that morning. It collapsed two-thirds [...] The post The single loudest sound ever recorded was the eruption of the Krakatoa volcano in 1883 — heard from approximately 4,800 kilometers away in the mid