Lake Toba

High school (ages 12+)
Geography

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Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/lake-toba

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. Where is Lake Toba?North Sumatra, Indonesia
2. How many people live in Lake Toba?Approximately 1.5 million people live in the surrounding regencies
3. How high is Lake Toba?900 meters (2,953 ft) above sea level
4. What is Lake Toba?Lake Toba is a gigantic lake in North Sumatra, Indonesia, formed inside the crater of a super volcano. It is the largest volcanic lake in the world and the biggest lake in Indonesia.
5. How did Lake Toba form?About 74,000 years ago, a huge super eruption collapsed the roof of the volcano’s magma chamber. The collapse created a big crater that later filled with water, becoming Lake Toba.

Supervolcano: A volcano capable of producing eruptions far larger than typical volcanoes, with immense geological and climatic consequences.
Caldera: A large, cauldron-like depression that forms when a volcano collapses into its emptied magma chamber after a massive eruption.
Toba Catastrophe Theory: A hypothesis suggesting that a massive supervolcano eruption at Toba caused a global volcanic winter and a human population bottleneck.
UNESCO Global Geopark: An area with outstanding geological heritage, recognized for its scientific importance, conservation efforts, and sustainable development initiatives.