Krakatoa’s eruption in 1883 produced greener sunsets than this one Shutterstock / Belikova Oksana
Strange green sunsets reported after the 1883 eruption of Krakatoa were probably caused by the large amount and size of sulphur aerosols the volcano injected into the stratosphere.
“How can physics or nature create green twilight colours?” says Christian von Savigny at the University of Greifswald in Germany, who became intrigued after reading descriptions of such sunsets in the months after Krakatoa’s eruption in Indonesia.
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