April 10 marks the 200th anniversary of
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Two hundred years after the biggest volcanic blast in recorded history, scientists have ranked the countries most at risk of a deadly volcanic eruption.
Today (April 10) marks the 200th anniversary of the 1815 Tambora eruption in Indonesia. The enormous explosion changed global climate, causing a "year without a summer" in the Northern Hemisphere. Sulfur dioxide from Mount Tambora lingered in the atmosphere for several years, cooling the planet and triggering crop failures, famine and human disease pandemics in North America, Europe and Asia.
"People were eating cats and rats," said Stephen Self, a volcanologist at the University of California, Berkeley and an expert on the Tambora eruption.