The meridian 172° 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
172°
172nd meridian west

The 172nd meridian west forms a great circle with the 8th meridian east.

From Pole to Pole

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Starting at the North Pole and heading south to the South Pole, the 172nd meridian west passes through:

Co-ordinates Country, territory or sea Notes
90°0′N 172°0′W / 90.000°N 172.000°W / 90.000; -172.000 (Arctic Ocean) Arctic Ocean
71°49′N 172°0′W / 71.817°N 172.000°W / 71.817; -172.000 (Chukchi Sea) Chukchi Sea
66°57′N 172°0′W / 66.950°N 172.000°W / 66.950; -172.000 (Russia)   Russia Chukotka Autonomous OkrugChukchi Peninsula
65°28′N 172°0′W / 65.467°N 172.000°W / 65.467; -172.000 (Bering Sea) Bering Sea Passing just east of Arakamchechen Island, Chukotka Autonomous Okrug,   Russia (at 64°45′N 172°3′W / 64.750°N 172.050°W / 64.750; -172.050 (Arakamchechen Island))
Passing just east of Cape Chaplino, Chukotka Autonomous Okrug,   Russia (at 64°24′N 172°13′W / 64.400°N 172.217°W / 64.400; -172.217 (Cape Chaplino))
Passing just west of St. Lawrence Island, Alaska,   United States (at 63°29′N 171°51′W / 63.483°N 171.850°W / 63.483; -171.850 (St. Lawrence Island))
Passing just east of St. Matthew Island, Alaska,   United States (at 60°19′N 172°12′W / 60.317°N 172.200°W / 60.317; -172.200 (St. Matthew Island))
Passing just east of Seguam Island, Alaska,   United States (at 52°20′N 172°17′W / 52.333°N 172.283°W / 52.333; -172.283 (Seguam Island))
52°22′N 172°0′W / 52.367°N 172.000°W / 52.367; -172.000 (Pacific Ocean) Pacific Ocean Passing just west of the island of Laysan, Hawaii,   United States (at 25°46′N 171°43′W / 25.767°N 171.717°W / 25.767; -171.717 (Laysan))
Passing just west of Kanton Island,   Kiribati (at 2°46′S 171°43′W / 2.767°S 171.717°W / -2.767; -171.717 (Kanton Island))
Passing just east of Orona atoll,   Kiribati (at 4°30′S 172°8′W / 4.500°S 172.133°W / -4.500; -172.133 (Orona))
Passing just west of Nukunonu atoll,   Tokelau (at 9°7′S 171°52′W / 9.117°S 171.867°W / -9.117; -171.867 (Nukunonu))
Passing just east of the island of Savai'i,   Samoa (at 13°39′S 172°10′W / 13.650°S 172.167°W / -13.650; -172.167 (Savai'i))
13°49′S 172°0′W / 13.817°S 172.000°W / -13.817; -172.000 (Samoa)   Samoa Island of Upolu
13°55′S 172°0′W / 13.917°S 172.000°W / -13.917; -172.000 (Pacific Ocean) Pacific Ocean
60°0′S 172°0′W / 60.000°S 172.000°W / -60.000; -172.000 (Southern Ocean) Southern Ocean
78°28′S 172°0′W / 78.467°S 172.000°W / -78.467; -172.000 (Antarctica) Antarctica Ross Dependency, claimed by   New Zealand

See also

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