The eruption of Mount Tambora in April 1815 was a VEI-7 event, ejecting an estimated 37-45 cubic kilometers of material into the atmosphere. The immediate death toll on the island of Sumbawa was approximately 11,000 from pyroclastic flows and tsunamis. The resulting sulfate aerosols circled the globe, blocking sunlight and causing the average planetary temperature to drop significantly for over a year. This led to devastating agricultural failures, contributing to tens of thousands of deaths fro