Kolyma 60N 150E

Steven Dutch, Professor Emeritus, Natural and Applied Sciences, Universityof Wisconsin - Green Bay

Scale: 1 pixel = 10 km. 10-degree grid;             Lambert Conformal Conic Projection, Center 60N 90E

       Global Geology Index



Ocean Floor Ages

Tectonic Structures


Land Geology

Notes and References


Vladimir Putin once jokingly, or maybe not, suggested that Alaska is rightfully part of Russia. Speaking geologically, on the other hand, Kolyma, or the extreme northeastern part of Russia, is actually part of the North American Plate. To the south, the Okhotsk Plate includes Kamchatka, the floor of the Sea of Okhotsk, and northern Japan.

Most plate tectonic reconstructions place Kolyma as a plate in the western Arctic Ocean between Siberia and Alaska. The fit is poor so there are a lot of details still to be unraveled.

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Created 11 April 2014, Last Update 19 January 2020