We love digging deep and uncovering cool facts about sound. Did you know that on August 27th, 1883 the Earth let out a noise that was heard in over 50 locations around the world? The scene was the island of Krakatoa which sits between Java and Sumatra in Indonesia. A volcano erupted with such force that it could be heard as far as 3,000 miles away, and barometers around the world tracked the residual pressure spike for nearly five days after the event. Want to read more? A fantastic article by Nautilus gets into more detail!