The meridian 173° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Asia, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.

Line across the Earth
173°
173rd meridian west

The 173rd meridian west forms a great circle with the 7th meridian east.

From Pole to Pole edit

Starting at the North Pole and heading south to the South Pole, the 173rd meridian west passes through:

Co-ordinates Country, territory or sea Notes
90°0′N 173°0′W / 90.000°N 173.000°W / 90.000; -173.000 (Arctic Ocean) Arctic Ocean
71°48′N 173°0′W / 71.800°N 173.000°W / 71.800; -173.000 (Chukchi Sea) Chukchi Sea
67°3′N 173°0′W / 67.050°N 173.000°W / 67.050; -173.000 (Russia)   Russia Chukotka Autonomous OkrugChukchi Peninsula
64°15′N 173°0′W / 64.250°N 173.000°W / 64.250; -173.000 (Bering Sea) Bering Sea
60°34′N 173°0′W / 60.567°N 173.000°W / 60.567; -173.000 (United States)   United States AlaskaSt. Matthew Island
60°29′N 173°0′W / 60.483°N 173.000°W / 60.483; -173.000 (Bering Sea) Bering Sea
52°6′N 173°0′W / 52.100°N 173.000°W / 52.100; -173.000 (United States)   United States AlaskaAmlia Island
52°5′N 173°0′W / 52.083°N 173.000°W / 52.083; -173.000 (Pacific Ocean) Pacific Ocean Passing just west of the island of Savai'i,   Samoa (at 13°31′S 172°48′W / 13.517°S 172.800°W / -13.517; -172.800 (Savai'i))
60°0′S 173°0′W / 60.000°S 173.000°W / -60.000; -173.000 (Southern Ocean) Southern Ocean
78°28′S 173°0′W / 78.467°S 173.000°W / -78.467; -173.000 (Antarctica) Antarctica Ross Dependency, claimed by   New Zealand

See also edit