But who knows... Apparently, the last three times Eyjafjallajökul erupted, Katla, a much larger volcano, did too. In 1783 it killed tens of thousands of people in Europe and the effects of the eruption lasted until 1788. "By day, a paltry sun emitted little more light than the moon did by night. Only at sunset and sunrise did it turn a deep crimson red."
clipped from scienceblogs.com
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