The 1815 eruption of Indonesia's Tambora – one of the most violent ever recorded on Earth – led to a disastrously cold summer across much of the globe in 1816.

1815年印度尼西亚坦博拉火山爆发是有记录以来地球上最猛烈的火山爆发之一，也导致了1816年席卷大半个地球的灾难性的冷夏。

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However, scientists are testing the theory that the volcanic eruption has increased iron in the water and will prolong the spring blooms into summer.

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The Laki eruption was believed to have caused thousands of deaths because of unusual conditions in Europe that summer, along with the severe cold of the following winter.

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