Steen River crater

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Steen River crater
Steen River crater is located in Canada
Steen River crater
Location of the crater in Canada
Impact crater/structure
Diameter25 km (16 mi)
Age91 ± 7 Ma
Late Cretaceous
Coordinates59°30′N 117°38′W / 59.500°N 117.633°W / 59.500; -117.633 (Steen River crater)Coordinates: 59°30′N 117°38′W / 59.500°N 117.633°W / 59.500; -117.633 (Steen River crater)
Country Canada
DistrictMackenzie County

Steen River is an impact structure in Alberta, Canada. It is 25 km (16 mi) in diameter and the age is estimated to be 91 ± 7 million years (Late Cretaceous). The crater is not exposed at the surface. The crater was partially eroded prior to burial, and lies under 200 m (660 ft) of sediments.[1]


  1. ^ "Steen River". Earth Impact Database. Planetary and Space Science Centre University of New Brunswick Fredericton. Retrieved 15 September 2019.

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