Largest volcanic eruption in recorded history happened 7300 years ago
The Kikai-Akahoya eruption of an underwater volcano off the coast of Japan ejected enough material to fill Lake Tahoe twice, three times as much as the eruption of Mount Tambora in 1815
Mount Tambora Nusa Tenggara Barat David Pyle Nobukazu Seama At Kobe University University Of Oxford Nobukazu Seama
Source: newscientist.com