166th meridian west

Line across the Earth
166°
166th meridian west ()

The meridian 166° west of Greenwich is a line of longitude[1] that extends from the North Pole across the Arctic Ocean, North America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.

The 166th meridian west forms a great ellipse with the 14th meridian east.

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 166th meridian west passes through:

Co-ordinates Country, territory or sea Notes
90°0′N 166°0′W / 90.000°N 166.000°W / 90.000; -166.000 (Arctic Ocean) Arctic Ocean
71°47′N 166°0′W / 71.783°N 166.000°W / 71.783; -166.000 (Chukchi Sea) Chukchi Sea
68°52′N 166°0′W / 68.867°N 166.000°W / 68.867; -166.000 (United States)  United States Alaska
68°10′N 166°0′W / 68.167°N 166.000°W / 68.167; -166.000 (Chukchi Sea) Chukchi Sea
66°33′N 166°0′W / 66.550°N 166.000°W / 66.550; -166.000 (Bering Sea) Bering Sea
66°16′N 166°0′W / 66.267°N 166.000°W / 66.267; -166.000 (United States)  United States Alaska — Seward Peninsula
68°10′N 166°0′W / 68.167°N 166.000°W / 68.167; -166.000 (Bering Sea) Bering Sea Passing just east of Sledge Island, Alaska,  United States (at 64°29′N 166°11′W / 64.483°N 166.183°W / 64.483; -166.183 (Sledge Island))
62°3′N 166°0′W / 62.050°N 166.000°W / 62.050; -166.000 (United States)  United States Alaska — Krekatok Island, Neragon Island and the mainland
61°32′N 166°0′W / 61.533°N 166.000°W / 61.533; -166.000 (Bering Sea) Bering Sea
60°19′N 166°0′W / 60.317°N 166.000°W / 60.317; -166.000 (United States)  United States Alaska — Nunivak Island
59°52′N 166°0′W / 59.867°N 166.000°W / 59.867; -166.000 (Bering Sea) Bering Sea
54°11′N 166°0′W / 54.183°N 166.000°W / 54.183; -166.000 (United States)  United States Alaska — Akutan Island
54°3′N 166°0′W / 54.050°N 166.000°W / 54.050; -166.000 (Pacific Ocean) Pacific Ocean Passing just east of Unalga Island, Alaska,  United States (at 53°58′N 166°5′W / 53.967°N 166.083°W / 53.967; -166.083 (Unalga Island))
Passing just east of Sedanka Island, Alaska,  United States (at 53°50′N 166°5′W / 53.833°N 166.083°W / 53.833; -166.083 (Sedanka Island))
Passing just east of the French Frigate Shoals, Hawaii,  United States (at 23°45′N 166°3′W / 23.750°N 166.050°W / 23.750; -166.050 (French Frigate Shoals))
Passing just west of Pukapuka atoll,  Cook Islands (at 10°55′S 165°52′W / 10.917°S 165.867°W / -10.917; -165.867 (Pukapuka))
60°0′S 166°0′W / 60.000°S 166.000°W / -60.000; -166.000 (Southern Ocean) Southern Ocean
78°28′S 166°0′W / 78.467°S 166.000°W / -78.467; -166.000 (Antarctica) Antarctica Ross Dependency, claimed by  New Zealand

See also

References

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