Tambora on the island of Sambaua in denisha was probably not the only factor in 1816's bizarre weather. But it was definitely a very significant major part of it. And it had immediate devastating effects in Asia and the tropical Pacific. There were several major volcanic eruptions in the early 18 teens.
The 2015 episode covers a volcano eruption in Sumbawa, Indonesia in 1816, that combined with several other factors to create an unusual -- and catastrophic -- series of weather events.
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