Toba Lake is a volcanic lake of 100km x 30km in North Sumatra, Sumatra,Indonesia. In the center there is a volcanic island called the island.
Toba Lake has long been an important tourist destination in North Sumatra, in addition to Bukit Lawang and Nias, attract domestic and foreign.
It is estimated that Toba Lake explosion occurred at about 73000-75000 years agoand is a Supervolcano eruption (super volcano) the most recent.
This incident caused mass death and in some species also followed extinction.According to some DNA evidence, this eruption also reduced the number of men untilapproximately thousand only.
After the eruption, the caldera formed which is then filled with water and became what is now known as Lake Toba. Upward pressure by magma that has not come outcause the appearance of Samosir Island.
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