90th meridian east
Encyclopedia
The meridian 90° east of Greenwich
is a line of longitude
that extends from the North Pole
across the Arctic Ocean
, Asia
, the Indian Ocean
, the Southern Ocean
, and Antarctica to the South Pole
.
The Ninety East Ridge
is named after the meridian.
The 90th meridian east forms a great circle
with the 90th meridian west
.
Starting at the North Pole
and heading south to the South Pole
, the 90th meridian east passes through:
Prime Meridian
The Prime Meridian is the meridian at which the longitude is defined to be 0°.The Prime Meridian and its opposite the 180th meridian , which the International Date Line generally follows, form a great circle that divides the Earth into the Eastern and Western Hemispheres.An international...
is a line of longitude
Longitude
Longitude is a geographic coordinate that specifies the east-west position of a point on the Earth's surface. It is an angular measurement, usually expressed in degrees, minutes and seconds, and denoted by the Greek letter lambda ....
that extends from the North Pole
North Pole
The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is, subject to the caveats explained below, defined as the point in the northern hemisphere where the Earth's axis of rotation meets its surface...
across the Arctic Ocean
Arctic Ocean
The Arctic Ocean, located in the Northern Hemisphere and mostly in the Arctic north polar region, is the smallest and shallowest of the world's five major oceanic divisions...
, Asia
Asia
Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...
, the Indian Ocean
Indian Ocean
The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...
, the Southern Ocean
Southern Ocean
The Southern Ocean comprises the southernmost waters of the World Ocean, generally taken to be south of 60°S latitude and encircling Antarctica. It is usually regarded as the fourth-largest of the five principal oceanic divisions...
, and Antarctica to the South Pole
South Pole
The South Pole, also known as the Geographic South Pole or Terrestrial South Pole, is one of the two points where the Earth's axis of rotation intersects its surface. It is the southernmost point on the surface of the Earth and lies on the opposite side of the Earth from the North Pole...
.
The Ninety East Ridge
Ninety East Ridge
The Ninety East Ridge is a linear, aseismic, age-progressive seamount chain in the Indian Ocean and is named for its near-parallel strike along the 90th meridian...
is named after the meridian.
The 90th meridian east forms a great circle
Great circle
A great circle, also known as a Riemannian circle, of a sphere is the intersection of the sphere and a plane which passes through the center point of the sphere, as opposed to a general circle of a sphere where the plane is not required to pass through the center...
with the 90th meridian west
90th meridian west
The meridian 90° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Gulf of Mexico, Central America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole....
.
Starting at the North Pole
North Pole
The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is, subject to the caveats explained below, defined as the point in the northern hemisphere where the Earth's axis of rotation meets its surface...
and heading south to the South Pole
South Pole
The South Pole, also known as the Geographic South Pole or Terrestrial South Pole, is one of the two points where the Earth's axis of rotation intersects its surface. It is the southernmost point on the surface of the Earth and lies on the opposite side of the Earth from the North Pole...
, the 90th meridian east passes through:
| Co-ordinates | Country, territory or sea | Notes |
|---|---|---|
| 90°0′N 90°0′E | Arctic Ocean Arctic Ocean The Arctic Ocean, located in the Northern Hemisphere and mostly in the Arctic north polar region, is the smallest and shallowest of the world's five major oceanic divisions... |
|
| 81°9′N 90°0′E | Kara Sea Kara Sea The Kara Sea is part of the Arctic Ocean north of Siberia. It is separated from the Barents Sea to the west by the Kara Strait and Novaya Zemlya, and the Laptev Sea to the east by the Severnaya Zemlya.... |
Passing just west of Schmidt Island Schmidt Island Schmidt Island, Ostrov Shmidta in Russian, is part of the Severnaya Zemlya group in the Russian Arctic and was named after Soviet scientist and first head of the Chief Directorate of the Northern Sea Route, Otto Schmidt... , |
| 77°7′N 90°0′E | Kirov Islands Kirov Islands The Kirov Islands or Sergey Kirov Islands , also known as Kerova Islands, is an archipelago of small islands covered with tundra vegetation... |
|
| 77°6′N 90°0′E | Kara Sea Kara Sea The Kara Sea is part of the Arctic Ocean north of Siberia. It is separated from the Barents Sea to the west by the Kara Strait and Novaya Zemlya, and the Laptev Sea to the east by the Severnaya Zemlya.... |
|
| 75°33′N 90°0′E | ||
| 50°1′N 90°0′E | Bayan-Ölgii Province | |
| 47°53′N 90°0′E | Xinjiang Xinjiang Xinjiang is an autonomous region of the People's Republic of China. It is the largest Chinese administrative division and spans over 1.6 million km2... Qinghai Qinghai ; Oirat Mongolian: ; ; Salar:) is a province of the People's Republic of China, named after Qinghai Lake... Tibet Autonomous Region The Tibet Autonomous Region , Tibet or Xizang for short, also called the Xizang Autonomous Region is a province-level autonomous region of the People's Republic of China , created in 1965.... |
|
| 28°19′N 90°0′E | ||
| 26°44′N 90°0′E | West Bengal West Bengal West Bengal is a state in the eastern region of India and is the nation's fourth-most populous. It is also the seventh-most populous sub-national entity in the world, with over 91 million inhabitants. A major agricultural producer, West Bengal is the sixth-largest contributor to India's GDP... > Assam Assam Assam , also, rarely, Assam Valley and formerly the Assam Province , is a northeastern state of India and is one of the most culturally and geographically distinct regions of the country... > Meghalaya Meghalaya Meghalaya is a state in north-eastern India. The word "Meghalaya" literally means the Abode of Clouds in Sanskrit and other Indic languages. Meghalaya is a hilly strip in the eastern part of the country about 300 km long and 100 km wide, with a total area of about 8,700 sq mi . The... |
|
| 25°16′N 90°0′E | ||
| 21°59′N 90°0′E | Indian Ocean Indian Ocean The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and... |
|
| 60°0′S 90°0′E | Southern Ocean Southern Ocean The Southern Ocean comprises the southernmost waters of the World Ocean, generally taken to be south of 60°S latitude and encircling Antarctica. It is usually regarded as the fourth-largest of the five principal oceanic divisions... |
|
| 66°46′S 90°0′E | Antarctica | Australian Antarctic Territory Australian Antarctic Territory The Australian Antarctic Territory is a part of Antarctica. It was claimed by the United Kingdom and placed under the authority of the Commonwealth of Australia in 1933. It is the largest territory of Antarctica claimed by any nation... , claimed by |
See also
- 89th meridian east89th meridian eastThe meridian 89° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Asia, the Indian Ocean, the Southern Ocean, and Antarctica to the South Pole....
- 91st meridian east91st meridian eastThe meridian 91° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Asia, the Indian Ocean, the Southern Ocean, and Antarctica to the South Pole....