Mount Tambora, a stratovolcano on Sumbawa island,…

Mount Tambora, a stratovolcano on Sumbawa island, Indonesia, estimated to have erupted within a few hundred years of 3910 BCE and in 3050 BCE, erupts again within one for years between about 590 and about 890.

These three events share similar eruptive characteristics: central vent eruption and explosive eruption with pyroclastic flows.