1815 eruption of Mount Tambora was one of the most powerful in recorded history , with a Volcanic Explosivity Index ( VEI ) of 7 . It is the most recently known VEI-7 event and the only unambiguously confirmed VEI-7 eruption since the Lake Taupo eruption in about 180 AD
Lake Taupo eruption in about 180 AD
Hatepe eruption
1815 eruption of Mount Tambora