138th meridian east

The meridian 138° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Asia, the Pacific Ocean, Australasia, the Indian Ocean, the Southern Ocean, and Antarctica to the South Pole.

138th meridian east

The 138th meridian east forms a great circle with the 42nd meridian west.

In Australia, the border between the Northern Territory and Queensland approximates the meridian. The border runs north from Poeppel Corner at a bearing of 359° 59' 30", reaching the Gulf of Gulf of Carpentaria several hundred metres west of the meridian.[1]

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 138th meridian east passes through:

Co-ordinates Country, territory or sea Notes
90°0′N 138°0′E Arctic Ocean
76°0′N 138°0′E  Russia Sakha RepublicKotelny Island, New Siberian Islands
74°51′N 138°0′E Laptev Sea
71°33′N 138°0′E  Russia Sakha RepublicYarok Island and the mainland
Khabarovsk Krai — from 59°49′N 138°0′E
56°23′N 138°0′E Sea of Okhotsk
55°5′N 138°0′E  Russia Khabarovsk KraiBolshoy Shantar Island
54°46′N 138°0′E Sea of Okhotsk
53°37′N 138°0′E  Russia Khabarovsk Krai
Primorsky Krai — from 48°18′N 138°0′E
Khabarovsk Krai — from 47°41′N 138°0′E
Primorsky Krai — from 47°38′N 138°0′E
Khabarovsk Krai — from 47°36′N 138°0′E
Primorsky Krai — from 47°28′N 138°0′E
46°8′N 138°0′E Sea of Japan Passing just west of Sado island, Niigata Prefecture,  Japan (at 37°49′N 138°12′E)
37°7′N 138°0′E  Japan Island of Honshū
Niigata Prefecture
Nagano Prefecture — from 36°54′N 138°0′E (passing just east of Matsumoto city)
Shizuoka Prefecture — from 35°17′N 138°0′E (passing through Kakegawa city)
34°40′N 138°0′E Pacific Ocean Passing just west of Yap island,  Federated States of Micronesia (at 9°27′N 138°3′E)
1°33′S 138°0′E  Indonesia Island of New Guinea
5°29′S 138°0′E Arafura Sea
7°43′S 138°0′E  Indonesia Island of Yos Sudarso
8°24′S 138°0′E Arafura Sea
12°1′S 138°0′E Gulf of Carpentaria
16°33′S 138°0′E  Australia Northern Territory / Queensland border (approximately)
South Australia — from 26°0′S 138°0′E
34°21′S 138°0′E Gulf St Vincent
35°44′S 138°0′E  Australia South AustraliaKangaroo Island
35°54′S 138°0′E Indian Ocean Australian authorities consider this to be part of the Southern Ocean[2][3]
60°0′S 138°0′E Southern Ocean
66°29′S 138°0′E Antarctica Adélie Land, claimed by  France


  1. "State and Territory Borders". Geoscience Australia. 18 November 2012. Retrieved 9 October 2012.
  2. Darby, Andrew (22 December 2003). "Canberra all at sea over position of Southern Ocean". The Age. Retrieved 13 January 2013.
  3. "Indian Ocean". Encyclopædia Britannica. Retrieved 13 January 2013.

See also

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