Canada is a country that is located on the continent of North America. From the South and North-West Canada borders with the USA. The Northern border is the shore of the Arctic ocean and in the North-East is Davis Strait, and Affidavy Bay. From the East coast of Canada is washed by the Atlantic ocean, and West of the Pacific ocean. In addition to the main territory of Canada it also consists of the Islands – second, the Baffin island, Victoria, Ellesmere, Devon, Banks, Newfoundland, and many others.
State total area of Canada is 9970610 square meters. Of this total area 755180 square metres are for rivers and freshwater lakes. No country in the world can boast so many lakes as Canada. The most famous lake in Canada is the Great lakes. Besides them, in Canada there are thirty-one quite a large lake.
The most famous canadian lakes – Great bear, Great Slave, Winnipeg, Manitoba, athabaska, Nipigon, Mistassini. The largest rivers of Canada are the Saint Lawrence river and its tributaries are the Ottawa and Co-gene. The largest rivers of Canada also include the St John river, Saskatchewan river, Nelson river, and the Fraser river, Mackenzie and Yukon. As to the St. Lawrence river, it originates in the Great Lakes and empties into the Gulf of the same name – St. Lawrence. The largest Continue reading
The world’s largest volcanic lake is located on the island of Sumatra. in Indonesia. This is Toba, the largest lake in Indonesia. In the center of the island of Sumatra is the Great Sumatran fault: here one can feel the slightest changes of the Indo-Australian and Eurasian plates which makes the whole area one of the most seismically active on earth. Near this dangerous fault and is Toba.
The lake is a consequence of the most powerful in the last 25 million years of volcanic eruptions. It was about 73 500 (±3500) years ago and, according to experts, was in force in 8 points.
The Toba Caldera is located in the North Central part of Sumatra. From the equator it is separated about 200 km It was formed from the collapsed during the eruption of three volcanoes calderas, pulled a part of the land. It subsequently filled with water. In the middle of the lake Toba is Samosir island is the result of extrusion of lava from the center of the Caldera, and now gradually resurgent lava dome, possibly the largest on Earth. However, earlier it was a Peninsula. And the island of Samosir became after 1906, the Dutch paved the channel depth Continue reading