List of impact craters in South America

This list of impact craters in South America includes all confirmed impact craters as listed in the Earth Impact Database. These features were caused by the collision of large meteorites or comets with the Earth. For eroded or buried craters, the stated diameter typically refers to an estimate of original rim diameter, and may not correspond to present surface features.

Name Location Diameter Age (years) Coordinates
Araguainha Brazil 40 km 244.40 3.25 million 1647'S 5259'W? / ?16.783S 52.983W? / -16.783; -52.983? (Araguainha)
Campo del Cielo Argentina 0.05 km < 4000 2738'S 6142'W? / ?27.633S 61.7W? / -27.633; -61.7? (Campo del Cielo)
Monturaqui Chile 0.46 km < 1 million 2356'S 6816'W? / ?23.933S 68.267W? / -23.933; -68.267? (Monturaqui)
Riacho Ring Brazil 4.5 km < 200 million 743'S 4639'W? / ?7.717S 46.65W? / -7.717; -46.65? (Riachao Ring)
Rio Cuarto Argentina 4.5 km (largest of 10) < 100,000 3253'S 6414'W? / ?32.883S 64.233W? / -32.883; -64.233? (Rio Cuarto)
Serra da Cangalha Brazil 12 km < 300 million 85'S 4652'W? / ?8.083S 46.867W? / -8.083; -46.867? (Serra da Cangalha)
Vargeo Dome Brazil 12 km < 70 million 2650'S 527'W? / ?26.833S 52.117W? / -26.833; -52.117? (Vargeao Dome)
Vista Alegre Brazil 9.5 km < 65 million 2557'S 5241'W? / ?25.95S 52.683W? / -25.95; -52.683? (Vista Alegre)

Unconfirmed impact craters

The following craters are officially considered "unconfirmed" because they are not listed in the Earth Impact Database. Due to stringent requirements regarding evidence and peer-reviewed publication, newly-discovered craters or those with difficulty collecting evidence generally are known for some time before becoming listed. However, entries on the unconfirmed list could still have an impact origin disproven.

Name Location Diameter Age Coordinates
Iturralde Bolivia 8 km 11–30 thousand 1235'S 6740'W? / ?12.583S 67.667W? / -12.583; -67.667? (Iturralde)
El Sauce Neuquen, Argentina 20 km ? 3906'S 6957'W? / ?39.1S 69.95W? / -39.1; -69.95? (el sauce)
Vichada Structure Colombia 50 km 30 million 430'N 6915'W? / ?4.5N 69.25W? / 4.5; -69.25? (Vichada)

http://en.wikipedia.org/wiki/List_of_impact_craters_in_South_America

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