Summary:

- The article discusses the mystery of the giant volcanic eruption that occurred in 1815 on the island of Sumbawa, Indonesia, which has puzzled scientists for almost 200 years.
- Researchers have now used a combination of historical records, geological data, and computer modeling to solve the mystery, identifying the eruption as the largest volcanic event in the last 2,000 years.
- The study reveals that the eruption of Mount Tambora was triggered by the intrusion of a new magma batch into the volcano's existing magma chamber, leading to a massive explosive event that had global climatic consequences.