Mount Tambora, also called Mount Tamboro, Indonesian Gunung Tambora , volcanic mountain on the northern coast of Sumbawa island, Indonesia, that in April 1815 exploded in the largest volcanic eruption in recorded history. It is now 2,851 metres (9,354 feet) high, having lost much of its top in the 1815 eruption. The volcano remains active; smaller eruptions took place in 1880 and 1967, and episodes of increased seismic activity occurred in 2011, 2012, and 2013.
Aerial view of the caldera of Mount Tambora, formed during the colossal 1815 eruption.
Elevation 2,722 m (8,930 ft) 
Prominence 2,722 m (8,930 ft) 
Coordinates 8°14′48″S 117°57′30″ECoordinates: 8°14′48″S 117°57′30″E 
Age of rock 57,000 years
Mountain type Stratovolcano/Caldera
Last eruption 1967 ± 20 years