6.7K views · 177 reactions | Do you know what created the loudest sound on Earth? People 3,000 miles away described it as “cannon fire from a nearby ship”, but it wasn’t cannon fire. Ranchers on a sheep farm in Alice Springs, Australia, almost 2,500 miles away said they heard two shots from a rifle, but it wasn’t a rifle. But what was behind this sudden and unprecedented sound? #Sounds #Volcano #History | Great Big Story | Facebook