44+ What Would Happen If Mount Tambora Erupted Again Background. When it will erupt next is not known. That mount tambora will erupt again is probably inevitable.
The eruption of the mt.
What happened after tambora is that there was three years of climate change, he says. Now we can not predict accurately how much lava is going upwards, but it is pretty sure that the largest cavities are just about. On april 5th, 1815, the world experienced the largest eruption in 1,300 years. Eruption of the volcano at mount tambora in 1815 was the largest volcanic eruption of the 19th century.