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178th meridian west
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Line of longitude
August 2025
-178
The meridian 178° west of Greenwich is a line of longitudeWhat is longitude? https://oceanservice.noaa.gov/facts/longitude.html oceanservice.noaa.gov 1 July 2025 en 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:
{| class="wikitable plainrowheaders"
! scope="col" width="130" | Co-ordinates
! scope="col" | Country, territory or sea
! scope="col" | Notes
|-
| style="background:#b0e0e6;" | 90 0 N 178 0 W type:waterbody Arctic Ocean
! scope="row" style="background:#b0e0e6;" | Arctic Ocean
| style="background:#b0e0e6;" |
|-
| 71 27 N 178 0 W type:country Russia
! scope="row" |
| Chukotka Autonomous Okrug — Wrangel Island
|-
| style="background:#b0e0e6;" | 71 1 N 178 0 W type:waterbody Chukchi Sea
! scope="row" style="background:#b0e0e6;" | Chukchi Sea
| style="background:#b0e0e6;" |
|-
| 68 26 N 178 0 W type:country Russia
! scope="row" |
| Chukotka Autonomous Okrug
|-
| style="background:#b0e0e6;" | 65 26 N 178 0 W type:waterbody Bering Sea
! scope="row" style="background:#b0e0e6;" | Bering Sea
| style="background:#b0e0e6;" |
|-
| 51 55 N 178 0 W type:country United States
! scope="row" |
| Alaska — Tanaga Island
|-valign="top"
| style="background:#b0e0e6;" | 51 38 N 178 0 W type:waterbody Pacific Ocean
! scope="row" style="background:#b0e0e6;" | Pacific Ocean
| style="background:#b0e0e6;" | Passing just east of Kure Atoll, Hawaii, (at 28 23 N 178 18 W type:isle Kure) Passing just east of Futuna Island, (at 14 19 S 178 3 W type:isle Futuna)
|-
| 14 20 S 178 0 W type:country Wallis & Futuna
! scope="row" |
| Alofi Island
|-valign="top"
| style="background:#b0e0e6;" | 14 21 S 178 0 W type:waterbody Pacific Ocean
! scope="row" style="background:#b0e0e6;" | Pacific Ocean
| style="background:#b0e0e6;" | Passing just east of Vatoa Island, (at 19 49 S 178 13 W type:isle Vatoa) Passing just west of Raoul Island, (at 29 15 S 177 58 W type:isle Raoul Island)
|-
| style="background:#b0e0e6;" | 60 0 S 178 0 W type:waterbody Southern Ocean
! scope="row" style="background:#b0e0e6;" | Southern Ocean
| style="background:#b0e0e6;" |
|-
| 78 24 S 178 0 W type:country Antarctica
! scope="row" | Antarctica
| Ross Dependency, claimed by
|}
See also
177th meridian west
179th meridian west
References
collapsed
w178 meridian west