138th meridian east

The meridian 138° east of Greenwich is a line of longitude^[1] 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.

138°

138th meridian east

In Australia, the meridian approximately defines the border between the Northern Territory and Queensland.

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 Carpentaria several hundred meters west of the meridian.^[2]

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 Republic — Kotelny Island, New Siberian Islands
74°51′N 138°0′E	Laptev Sea
71°33′N 138°0′E	Russia	Sakha Republic — Yarok 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 Krai — Bolshoy 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 Australia — Kangaroo Island
35°54′S 138°0′E	Indian Ocean	Australian authorities consider this to be part of the Southern Ocean[3][4]
60°0′S 138°0′E	Southern Ocean
66°29′S 138°0′E	Antarctica	Adélie Land, claimed by  France