178th meridian west

Line across the Earth
178°
178th meridian west ()

The meridian 178° 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 178th meridian west forms a great ellipse with the 2nd meridian east.

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 178th meridian west passes through:

Co-ordinates Country, territory or sea Notes
90°0′N 178°0′W / 90.000°N 178.000°W / 90.000; -178.000 (Arctic Ocean) Arctic Ocean
71°27′N 178°0′W / 71.450°N 178.000°W / 71.450; -178.000 (Russia)  Russia Chukotka Autonomous Okrug — Wrangel Island
71°1′N 178°0′W / 71.017°N 178.000°W / 71.017; -178.000 (Chukchi Sea) Chukchi Sea
68°26′N 178°0′W / 68.433°N 178.000°W / 68.433; -178.000 (Russia)  Russia Chukotka Autonomous Okrug
65°26′N 178°0′W / 65.433°N 178.000°W / 65.433; -178.000 (Bering Sea) Bering Sea
51°55′N 178°0′W / 51.917°N 178.000°W / 51.917; -178.000 (United States)  United States Alaska — Tanaga Island
51°38′N 178°0′W / 51.633°N 178.000°W / 51.633; -178.000 (Pacific Ocean) Pacific Ocean Passing just east of Kure Atoll, Hawaii,  United States (at 28°23′N 178°18′W / 28.383°N 178.300°W / 28.383; -178.300 (Kure))
Passing just east of Futuna Island,  Wallis and Futuna (at 14°19′S 178°3′W / 14.317°S 178.050°W / -14.317; -178.050 (Futuna))
14°20′S 178°0′W / 14.333°S 178.000°W / -14.333; -178.000 (Wallis & Futuna)  Wallis and Futuna Alofi Island
14°21′S 178°0′W / 14.350°S 178.000°W / -14.350; -178.000 (Pacific Ocean) Pacific Ocean Passing just east of Vatoa Island,  Fiji (at 19°49′S 178°13′W / 19.817°S 178.217°W / -19.817; -178.217 (Vatoa))
Passing just west of Raoul Island,  New Zealand (at 29°15′S 177°58′W / 29.250°S 177.967°W / -29.250; -177.967 (Raoul Island))
60°0′S 178°0′W / 60.000°S 178.000°W / -60.000; -178.000 (Southern Ocean) Southern Ocean
78°24′S 178°0′W / 78.400°S 178.000°W / -78.400; -178.000 (Antarctica) Antarctica Ross Dependency, claimed by  New Zealand

See also

References

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