5 facts of LAKE TOBA for those of you who do not know
The waters of Lake Toba, located in North Sumatra has a length of about 100 kilometers and 30 kilometers wide. According to some scientists, the largest freshwater lake in Southeast Asia was formed because of the great eruption of Mount Toba happens to 74,000 last year. According to NASA scientists, the explosion destroyed about 60% of living creatures on Earth.

In addition to the above facts, there are many other interesting fact that not many people know:
#1 Mount Toba has erupted three times. 1 eruption occurred around 800,000 years ago. This resulted in the caldera eruption of the South side of the mountain, covering an area of Prapat and Porsea, Sumatera Utara. The explosion had the force smaller, occurred 500,000 years ago. This eruption formed a Caldera on the north side, in the area between Silalahi with Haranggaol. Ket-3 eruption happened 74,000 years ago which produced a Caldera, changing Mount Toba became Lake Toba Samosir island with its present in the Center.
#2 Mount Toba super Volcano (super volcano) that surround the Lake and Samosir island it's still active. Could not predict when he would be of the eruption.
#3 location of Mt. Toba (now Lake Toba) is indeed prone to disaster. This corresponds with the position of Indonesia that is located at the confluence of three tectonic plates, namely Eurasian, Indo-Australia and the Pacific plate.
#4 A New York University researchers conducted a study to find out how the Earth's climate in the past. He managed to find an object called foraminifera in the bottom of the sea, which used to be an indication if the Earth's temperature is very extreme. The researchers eventually found the fact if the cause was the eruption of Mount Toba then. These researchers also mention if because of the eruptions, the oceans all over the world experience a drop in temperature to 5 degrees Celsius.
#5 Dust Rhyolite (rhyolite) the age bracket with the rocks of Toba in Malaysia, even also found as far as 3,000 kilometers to the North to Central India, in addition to that found in the Indian Ocean.

