Zhamanshin (Kazakh: Жаман шың, romanized: Jaman şıñ) is a meteorite crater in Kazakhstan. It is 14 kilometres (8.7 mi) in diameter and the age is estimated to be 900,000 ± 100,000 years (Pleistocene). The crater is exposed at the surface.^[1]

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Quick Facts Impact crater/structure, Confidence ...

Zhamanshin crater
Jaman şıñ
Impact glass from the Zhamanshin impact site
Impact crater/structure
Confidence	Confirmed
Diameter	14 km (8.7 mi)
Age	900,000 ± 100,000 years Mid Pleistocene
Exposed	Yes
Drilled	Yes
Bolide type	Chondrite
Location
Coordinates	48°24′N 60°58′E
Country	Kazakhstan
State	Aktobe Region
Location of the crater in Kazakhstan

Close

It is believed that the Zhamanshin crater is the site of the most recent meteorite impact event of the magnitude that could have produced a disruption comparable to that of a nuclear winter, but it was not sufficiently large enough to have caused a mass extinction.^[2]

Preliminary papers in the late 1970s suggested either Elgygytgyn,^[3] or Zhamanshin,^[4] as the source of the Australasian strewnfield.