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Where Is the World's Largest Volcanic Crater Lake?
geologygeography
Quick Answer
Lake Toba in Sumatra, Indonesia, fills a caldera about 100 km long and 30 km wide.
The Full Story
Lake Toba on the island of Sumatra, Indonesia, occupies a massive volcanic caldera roughly 100 km long and 30 km wide, making it the largest volcanic lake in the world. It was formed by a supervolcanic eruption approximately 74,000 years ago — one of the most powerful eruptions in the past 25 million years. The eruption ejected an estimated 2,800 cubic kilometres of material and may have caused a global "volcanic winter." Samosir Island, within the lake, is itself larger than Singapore.
Key Facts
1.The Toba eruption may have reduced the global human population to as few as 10,000 individuals.
2.Lake Toba is up to 505 metres deep.
3.The Batak people have lived around the lake for centuries and maintain a rich cultural heritage.
YouTube Angle
Suggested video title for this topic:
"Lake Toba — The Supervolcano That Almost Ended Humanity"