171st meridian west

Line across the Earth
171°
171st meridian west ()

The meridian 171° west of Greenwich is a line of longitude[1] that extends from the North Pole across the Arctic Ocean, Asia, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.

The 171st meridian west forms a great circle with the 9th meridian east.

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 171st meridian west passes through:

Co-ordinates Country, territory or sea Notes
90°0′N 171°0′W / 90.000°N 171.000°W / 90.000; -171.000 (Arctic Ocean) Arctic Ocean
71°50′N 171°0′W / 71.833°N 171.000°W / 71.833; -171.000 (Chukchi Sea) Chukchi Sea
66°32′N 171°0′W / 66.533°N 171.000°W / 66.533; -171.000 (Russia)  Russia Chukotka Autonomous Okrug — Chukchi Peninsula
65°29′N 171°0′W / 65.483°N 171.000°W / 65.483; -171.000 (Bering Sea) Bering Sea
63°35′N 171°0′W / 63.583°N 171.000°W / 63.583; -171.000 (United States)  United States Alaska — St. Lawrence Island
63°25′N 171°0′W / 63.417°N 171.000°W / 63.417; -171.000 (Bering Sea) Bering Sea Passing just east of Chagulak Island, Alaska,  United States (at 52°34′N 171°6′W / 52.567°N 171.100°W / 52.567; -171.100 (Chagulak))
Passing just west of Yunaska Island, Alaska,  United States (at 52°33′N 170°51′W / 52.550°N 170.850°W / 52.550; -170.850 (Yunaska))
52°32′N 171°0′W / 52.533°N 171.000°W / 52.533; -171.000 (Pacific Ocean) Pacific Ocean Passing just east of Enderbury Island,  Kiribati (at 3°8′S 171°4′W / 3.133°S 171.067°W / -3.133; -171.067 (Enderbury Island))
Passing just west of Rawaki Island,  Kiribati (at 3°43′S 170°43′W / 3.717°S 170.717°W / -3.717; -170.717 (Rawaki Island))
Passing just east of Manra Island,  Kiribati (at 4°27′S 171°13′W / 4.450°S 171.217°W / -4.450; -171.217 (Manra Island))
Passing just east of Fakaofo atoll,  Tokelau (at 9°21′S 171°11′W / 9.350°S 171.183°W / -9.350; -171.183 (Fakaofo))
Passing just east of Swains Island,  American Samoa (claimed by  Tokelau) (at 11°3′S 171°3′W / 11.050°S 171.050°W / -11.050; -171.050 (Swains Island))
Passing just west of the island of Tutuila,  American Samoa (at 14°19′S 170°51′W / 14.317°S 170.850°W / -14.317; -170.850 (Tutuila))
60°0′S 171°0′W / 60.000°S 171.000°W / -60.000; -171.000 (Southern Ocean) Southern Ocean
78°29′S 171°0′W / 78.483°S 171.000°W / -78.483; -171.000 (Antarctica) Antarctica Ross Dependency, claimed by  New Zealand

See also

References

  1. ^ "What is longitude?". oceanservice.noaa.gov. Retrieved 1 July 2025.