Krakatoa

The Pustaka Raja does not draw on primary sources for its description of this event, and its historical reliability is highly dubious. It is therefore impossible to verify its description of this eruption. There is no geological evidence presented that substantiates this eruption. David Keys, Ken Wohletz, and others have postulated that a violent volcanic eruption, possibly of Krakatoa, in 535 was responsible for the global climate changes of 535–536. Drilling projects in Sunda Strait ruled out any possibility that an eruption took place in 535 AD.