Lake is a vulkanik lake of equal to 100km x 30km in North Sumatra, Sumatra, Indonesia. Adjoining there are a so called island vulkanik of Island Samosir.
Toba’s lake of since old year become the important target traveling area in North Sumatra of besides Hill of Lawang and Nias, drawing domestic tourist and also foreign countries.
Estimated by Lake Toba happened by the explosion moment of about 73.000-75.000 year ago and represent the eruption supervolcano ( mount have super fire to) newest. Bill Rose and Craig Chesner from Michigan Technological University estimate that substance vulkanik vomited by that mount as much 2800km3, by 800km3 is rock ignimbrit and 2000km3 ash vulkanik estimated to be blown by wind to west of during 2 week
This occurence cause the mass death and at some species is also followed by the destruction. According to some evidence DNA, this eruption also shrink the amount of human being until about just thousands of
After the eruption, formed by later kaldera loaded by water and become which is known as by Lake Toba. Pressure to for by magma which not yet gone out to cause the appearance of Island Samosir.
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