31+ Volcano Mount Tambora 1815 Background. On april 10, 1815, the indonesian volcano of mount tambora exploded in the largest eruption in recorded history. The volcano, which began rumbling on april 5, killed almost 100,000 people directly and indirectly.
More than 95% by mass of the ejecta was erupted as pyroclastic flows, but 40% by mass of the material in these flows ended up as ash fallout from the 'phoenix' clouds that lofted above the flows during.
Heavy eruptions of the tambora volcano in indonesia are letting up by april 17, 1815. The eruption happened in april of 1815 and was one of the greatest volcanic eruptions in history. Many people close to the volcano lost their lives in the event. Just before sunset on april 5, 1815, a massive explosion shook the volcanic island of sumbawa in the indonesian archipelago.