Lake Toba Supervolcano

Location and History

• North Sumatra - Indonesia
• Site of a huge super volcano, happened 74,000 years ago
• Largest known eruption in the last 25 million years
• 1 of 6 super volcanoes in the world
• In the past month there has been recent activity of hot steam & foul smelling gas

Geologic Features/Formation

• 100 kilometers long, 30 kilometers wide, and 505 kilometers deep
• Palau Samosir - island in the middle of Lake Tob
• Caused by a huge super volcano eruption

Catastrophism/ Uniformitarianism

• Catastrophism is where earth has been effected by invents in the past.
• Lake Toba is catastrophism because a volcanic eruption is catastrophic

Constructive/Destructive

• Lake Toba is constructive and destructive
• It is constructive because they create new land
• It is destructive because it can destroy plants, animals, building, and humans