Geography Atlas

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Continents

Antarctica

an-TARK-tih-kuh

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The southernmost continent, centered on the geographic South Pole and almost entirely covered by an ice sheet averaging over a mile thick, which holds most of the world's fresh water. It has no permanent population; a rotating community of a few thousand scientists and support staff, drawn from many nations under the Antarctic Treaty System, occupies research stations that swell in the austral summer and empty in winter.

Facts
Area (sq km)
14,200,000 1
National Geographic Atlas of the World figure, including the permanent ice shelves.
Population
1
No permanent population; transient research-station population runs about 5,000 in the austral summer to about 1,000 in winter.
Highest Point
Vinson Massif 1
Highest Elevation (m)
4892 1
Lowest Point
Denman Glacier (subglacial trench) 2
Country Count
30 1
Antarctica has no sovereign states of its own; this counts nations that are parties to the Antarctic Treaty System, a different kind of count from a continent's own resident countries.
Tectonic Plate Context
Antarctic Plate 3
Cross-Tradition Connections

Associated With

Australia, Continents

Australia and Antarctica were joined within the supercontinent Gondwana. Rifting between them began around 85 million years ago and progressed from west to east; the two continents finally separated south of Tasmania by about 45 million years ago, opening the Tasman Seaway between them.

Patagonia, Regions

This source names Antarctica directly: "faces the Drake Passage toward Antarctica."

South America, Continents

Why this is disputed. Antarctica and South America were joined within Gondwana and separated as the Drake Passage opened between them, allowing the Antarctic Circumpolar Current to begin flowing. Published estimates for when the passage fully opened range from about 49 to 17 million years ago; most reconstructions place the main separation between 34 and 23 million years ago, but the exact timing remains an active question in the tectonic literature.

Home To

In the Other Atlases
Sources
1. Antarctica (Wikipedia)
Wikimedia FoundationGeography section, highest peak
Quote, Geography section, highest peak
Vinson Massif, in the Ellsworth Mountains, is the highest peak in Antarctica at 4,892 m (16,050 ft).
View the Source
1. Antarctica (Wikipedia)
Wikimedia Foundationopening paragraphs, treaty governance
Quote, opening paragraphs, treaty governance
Antarctica is governed by about 30 countries, all of which are parties of the 1959 Antarctic Treaty System.
View the Source
1. Antarctica (Wikipedia)
Wikimedia FoundationIntroduction
Quote, Introduction
Antarctica
View the Source
1. Antarctica (Wikipedia)
Wikimedia FoundationIntroduction, continent overview
Quote, Introduction, continent overview
Antarctica is Earth's southernmost and least-populated continent.
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1. Antarctica (Wikipedia)
Wikimedia FoundationLead section, first sentence
Quote, Lead section, first sentence
Antarctica is Earth's southernmost and least-populated continent.
View the Source
1. Antarctica (Wikipedia)
Wikimedia FoundationInfobox, Area
Quote, Infobox, Area
14,200,000 km2 (5,500,000 sq mi)
View the Source
1. Antarctica (Wikipedia)
Wikimedia FoundationPolitics and governance section, seasonal population
Quote, Politics and governance section, seasonal population
During the summer months, about 5,000 people reside at research stations, a figure that drops to around 1,000 in the winter.
View the Source
1. Antarctica (Wikipedia)
Wikimedia FoundationAssociated With: The Southern Ocean, Geography section, opening
Quote, Associated With: The Southern Ocean, Geography section, opening
Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean (also known as the Antarctic Ocean), it contains the geographic South Pole.
View the Source
1. Antarctica (Wikipedia)
Wikimedia FoundationAssociated With: Ross Sea, Geography section, Transantarctic Mountains
Quote, Associated With: Ross Sea, Geography section, Transantarctic Mountains
Antarctica is divided into West Antarctica and East Antarctica by the Transantarctic Mountains, which stretch from Victoria Land to the Ross Sea.
View the Source
2. Extreme Points of Antarctica (Wikipedia)
Wikimedia FoundationLowest point entry
Quote, Lowest point entry
The lowest point in Antarctica is within the Denman Glacier, which reaches 3.5 kilometers (11,500 feet) below sea level.
View the Source
3. List of Tectonic Plates (Wikipedia)
Wikimedia FoundationAntarctic Plate entry
Quote, Antarctic Plate entry
Major tectonic plate containing Antarctica and the surrounding ocean floor – 60,900,000 km2
View the Source
Encyclopaedia Britannica
Encyclopaedia Britannica, Inc.View the Source
National Geographic Atlas of the World
National Geographic Society, 2019World continents area table
The World Factbook
Central Intelligence AgencyAntarctica, population summaryView the Source
United States Geological Survey
United States Geological SurveyHome To: The Antarctic Ice SheetView the Source
United States Geological Survey
United States Geological SurveyAssociated With: AustraliaView the Source
United States Geological Survey
United States Geological SurveyAssociated With: South AmericaView the Source
National Oceanic and Atmospheric Administration
National Oceanic and Atmospheric AdministrationHome To: The Southern OceanView the Source
Frequently Asked Questions

Does Antarctica have a permanent population?

No. Antarctica has no permanent residents, only a rotating scientific population.

Antarctica has no permanent population. It is governed by about 30 countries that are parties to the Antarctic Treaty System, and a rotating community of a few thousand scientists and support staff, drawn from many nations, occupies research stations there, with numbers larger in the austral summer than in the winter.
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