173rd meridian west
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.
The 173rd meridian west forms a great circle with the 7th meridian east.
From Pole to Pole
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 Okrug — Chukchi 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 Alaska — St. 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 Alaska — Amlia 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