Coordinates: Macha is a group of meteorite craters in the western Sakha Republic, Far Eastern Federal District of Russia. The crater, measuring 300 metres in diameter, is the largest of a field of 5 craters with diameters ranging from 60 to 300 m.
Two largest craters form the pear shaped Abram Lake, but three smaller craters are located to the north. Impact craters have been very well preserved.
- Gurov, E. P.; E. P. Gurova and N. N. Novalyukh (1987). "Gruppa meteoritnykh kraterov macha v zapadnoy Yakutii" [Meteorite craters in Macha and western Yakutia]. Doklady Akademii Nauk SSSR 296 (1): 185–188. Bibcode:1987DoSSR.296..185G.
- E.P. Gurov, E.P. Gurova, The group of Macha craters in western Yakutia, Planet. Space Sci. 46 (1998) 323.
- Discovery of the largest impact crater field on Earth in ...
- U. Wisc. Green Bay - Impact list
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