It’s called the Pingualuit Crater, located on the Ungava Pennisula in Quebec, Canada. The satellite image was taken just over a week ago. Mapbox, an open source mapping platform for developers, has more on the “remarkably circular” crater:
Not photographed until the 1940s and not surveyed until the 1950s, Pingualuit Crater (formerly Chubb and New Quebec Crater) was widely accepted as a meteorite impact crater on account of its shape despite chemical evidence of an impact. It wasn’t until the late 1980s and 1990s that conclusive evidence of impact-shocked quartz, made very scarce by glacial scouring of the crater and its surroundings, was published.
Researchers conclude that the crater was formed in granite bedrock by a chondritic (stony, non-metallic) meteorite 1.4 million years ago. It is 3.4 kilometers in diameter and 400 meters deep. The rim of the crater is grooved from SW to NE by glaciers. Glacial deposits including a squiggly esker appear to the upper right of the crater. The lake within is 267 meters deep and has no sources other than rain and snow and no sinks other than evaporation. A closed system, its sediments record the history of the local climate since the last interglacial period.
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