Eltanin impact
Prehistoric asteroid impact in southeast Pacific Ocean / From Wikipedia, the free encyclopedia
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The Eltanin impact is thought to be an asteroid impact in the eastern part of the South Pacific Ocean that occurred around the Pliocene-Pleistocene boundary approximately 2.51 ± 0.07 million years ago.[1] The impact occurred at the north edge of the Bellingshausen Sea 1,500 km (950 mi) southwest of Chile, where the sea floor is approximately 4–5 kilometres (2.5–3.1 mi) deep.[2] The asteroid was estimated to be about 1 to 4 km (0.6 to 2.5 mi) in diameter. No crater associated with the impact has been discovered.[3] The impact likely evaporated 150 km3 (36 cu mi) of water, generating large tsunami waves hundreds of metres high.[4]
Quick Facts Impact crater/structure, Confidence ...
Eltanin impact | |
---|---|
Impact crater/structure | |
Confidence | Hypothetical |
Diameter | 35 km (22 mi) |
Impactor diameter | 1–4 km (0.62–2.49 mi) |
Age | 2.51 ± 0.07 Ma, earliest Pleistocene |
Location | |
Coordinates | 57°47′S 90°47′W |
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