90th meridian west
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Themeridian 90° west ofGreenwichis a line oflongitudethat extends from theNorth Poleacross theArctic Ocean,North America,theGulf of Mexico,Central America,thePacific Ocean,theSouthern Ocean,andAntarcticato theSouth Pole.
In Antarctica, the meridian defines the western limit ofChile'sterritorial claim.The land further west is not claimed by any nation.
The 90th meridian west forms agreat circlewith the90th meridian east,located midway between the Prime meridian and the180th meridian;thus, the center of theWestern Hemisphereis on this meridian.
In the United States, theMississippi Riverruns close to the 90th meridian, crossing the meridian several times. The cities ofSt. Louis,MemphisandNew Orleansare all close to the meridian.
One of the four45 x 90 pointsis located inRietbrock, Wisconsin,where the45th parallel northintersects with the 90th meridian west, marking the halfway point between the90° Latitude North,180th Meridian East & West,0° latitude,and0° longitude.
From Pole to Pole
[edit]Starting at theNorth Poleand heading south to theSouth Pole,the 90th meridian west passes through:
| Next westward: 91st meridian west |
90th meridian west forms a great circle with 90th meridian east |
Next eastward: 89th meridian west |
See also
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