Krakatoa 1883: The Loudest Sound Ever Heard & The Eruption That Changed the World On August 27, 1883, a tiny island between Java and Sumatra exploded with a force that shocked the planet. Krakatoa’s blast was the loudest sound ever recorded, heard thousands of miles away, its tsunamis wiped out entire coastal towns, and dust high in the sky painted sunsets across continents. This video explains what happened, why it mattered, and how one volcanic eruption altered climate, culture, and science. W