Guarda Crater
Encyclopedia
Guarda crater is a possible impact crater
Impact crater
In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile with a larger body...

  located in Guarda District in Portugal
Portugal
Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

. It is estimated to be 200 million years old, and measures 35 kilometres (22 mi) in diameter. The crater itself is located northeast from urban area of Guarda
Guarda, Portugal
Guarda is a city in Guarda Municipality, Portugal. The city has a population of 32 111Guarda was founded in 1199 by the second king of Portugal, Sancho I....

with the center impact probably at 40°38′48.034"N 7°6′00.499"W. The crater has suffered a lot of hydric erosion.
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