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Lake Toba

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Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Lake Toba
Address:
20217, Indonesia

Lake Toba is a large natural lake in Indonesia occupying the caldera of a supervolcano. The lake is about 100 kilometres long, 30 kilometres wide, and up to 505 metres deep. Located in the middle of the northern part of the Indonesian island of Sumatra, with a surface elevation of about 900 metres , the lake stretches from 2.88°N 98.52°E / 2.88; 98.52 to 2.35°N 99.1°E / 2.35; 99.1. It is the largest lake in Indonesia and also the largest volcanic lake in the world.Lake Toba is the site of a massive supervolcanic eruption estimated at VEI 8 that occurred 69,000 to 77,000 years ago, representing a climate-changing event. Recent advances in dating methods suggest a more accurate identification of 74,000 years ago as the date. It is the largest-known explosive eruption on Earth in the last 25 million years. According to the Toba catastrophe theory, it had global consequences for human populations; it killed most humans living at that time and is believed to have created a population bottleneck in central east Africa and India, which affects the genetic make-up of the human worldwide population to the present.It has been accepted that the eruption of Toba led to a volcanic winter with a worldwide decrease in temperature between 3 to 5 °C , and up to 15 °C in higher latitudes. Additional studies in Lake Malawi in East Africa show significant amounts of ash being deposited from the Toba eruptions, even at that great distance, but little indication of a significant climatic effect in East Africa.On 18 June 2018, Lake Toba was the scene of a ferry disaster, in which over 190 people drowned.
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