Lake Toba is a volcanic lake, 100 km in length and 30 km wide, is located in North Sumatra province, Indonesia. In the middle of this lake there is a volcanic island called Samosir Island.

Lake Toba has become an important tourist destination in North Sumatra, Wu Lavan and Nias In addition, to attract domestic and foreign tourists.

History

It is estimated that Lake Toba explosion occurred in the 73000-75000 years ago, is a super volcano eruption (super-volcano) recently. Bill Rose and Craig Chesner Michigan Technological University, estimated that volcanic materials, spit out most of the mountainous area 00 kilometers ³, 800 cubic kilometers of rock ignimbrit and 2000 cubic kilometers of volcanic ash blowing, is expected to the west 2 weeks. Volcanic dust and the wind has spread to half of the planet, from China to South Africa. Letusannya occurred in 1 week, throwing dust up to 10 kilometers above sea level.

The incident caused mass death, in the extinction of some species are also followed. According to some DNA evidence, which also reduces the number of people broke out about 60% of the earth’s population at that time, about 60 million people. Volcanic eruptions also Ice Age, even though experts are still arguing.

After the volcanic eruption, the crater formation, which was filled with water, making it is now known as Lake Toba. Magma upward pressure has not come out cause the emergence of Samosir Island.

Tags: indonesia tourism, travel destination

This entry was posted on Monday, January 25th, 2010 at 9:13 pm and is filed under Travel. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.