Minimize Earth from Space: Clearwater

This Landsat-5 image from 9 September 2010 features the Clearwater Lakes in Canada’s Quebec province.

Located to the east of the Hudson Bay, what appears to be two separate lakes is actually a single body of water that fills two depressions. The depressions were created by two meteorite impacts, believed to have hit Earth simultaneously up to 290 million years ago.

The larger of the two to the northwest is about 36 km in diameter and has a ring of islands in the centre. The smaller is about 26 km in diameter. A string of islands separate the two water-filled craters.

The name 'Clearwater Lakes' comes from the clarity of its water.

The surrounding terrain is dotted with smaller lakes and rivers. The topography of this area, known as the Canadian Shield, was shaped by the huge ice sheets and glaciers from the last ice ages covering the area up to 15,000 years ago.

View the full resolution image.

Credit: United States Geological Survey (USGS) / European Space Agency (ESA)


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