The eruption of Krakatoa in 1883 was the loudest sound in recorded history, heard 3,000 miles (4800 KM) away.
The blue whale can produce the loudest sound of any animal. At 188 decibels, the noise can be detected over 800 km (500 mi) away.
Lions roar to communicate their position to other prides. A lion’s roar is the loudest of any big cat and can be heard up to 8 km away.