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| Impact crater/structure | |
|---|---|
| Diameter | 15 kilometres (9.3 mi) |
| Depth | 800 metres (2,600 ft) |
| Age | 380 ± 5 Ma |
| Exposed | No |
| Country | Russia |
| District | Central Federal District |
| Municipality | Kaluga Oblast |
Kaluga is an impact crater located in Kaluga Oblast of the Central Federal District, Russia .
It is 15 kilometres (9.3 mi) in diameter and the age is estimated to be 380 ± 5 million years old (Upper Devonian). The crater is buried under 800 metres (2,600 ft) of sediments; it is not exposed at the surface.[1]
[ ⚑ ] 54°30′N 36°12′E / 54.5°N 36.2°E