Krakatoa is a composite volcano located in Indonesia. On August 26, 1883 Krakatoa erupted violently, destroying most of the volcano and killing thousands of people. This was one of the biggest volcanic eruptions in modern times.

Krakatoa (Indonesian name: Krakatau, Portuguese name: Krakatao) is a volcanic island in the Sunda Strait between Java and Sumatra in Indonesia. The name is used for the island group, the main island (also called Rakata), and the volcano as a whole. It has erupted repeatedly, massively and with disastrous consequences throughout recorded history.