The Nördlinger Ries is a large circular depression in western Bavaria, Germany, located north of the Danube in the district of Donau-Ries. The city of Nördlingen is located about 6 kilometers southwest of the centre of the depression.
The depression is interpreted as a meteorite impact crater formed about 14.3 million–14.5 million years ago in the Miocene. The crater is most commonly referred to simply as the Ries or Ries crater. The original crater rim had an estimated diameter of 24 kilometers . The present floor of the depression is about 100 to 150 m below the eroded remains of the rim.
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