Question

Mount Tambora, in Indonesia, erupted in April 1815, spewing huge amounts of fine ash into the air. The ash quickly spread throughout the upper atmosphere, reducing the amount of sunlight in the area. This led to a famine that killed at least 80,000 people. How did the eruption of Mount Tambora cause a famine?

Answer 1

Crops need sunlight to grow as well as water.

Reduced sunlight means reduced growth rate of crops means reduced crop yield means reduced number of mouths each yield can feed means famine means death.