Pacific Ocean
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- 15th parallel north
- 180th meridian
- 30th parallel north
- 30th parallel south
- 45th parallel north
- 50th parallel south
- 5th parallel north
- 60th parallel south
- Abel Tasman
- Abraham Ortelius
- Acajutla
- Acapulco
- Adriatic Sea
- Aegean Sea
- Africa
- Alaska
- Alboran Sea
- Aleutian Current
- Aleutian Islands
- American Samoa
- Americas
- Amundsen Gulf
- Amundsen Sea
- Anchorage, Alaska
- Andaman Sea
- Andean States
- Andes
- Andesite line
- Anglo-America
- Antarctic
- Antarctic Circumpolar Current
- Antarctica
- Antofagasta
- Arabian Sea
- Arafura Sea
- Aral Sea
- Archipelago Sea
- Arctic
- Arctic Ocean
- Argentine Sea
- Arica, Chile
- Asia
- Asia-Pacific Economic Cooperation
- Astronomer
- Atlantic Ocean
- Auckland
- Australasia
- Australasian snapper
- Australia
- Australia (continent)
- Bacolod City
- Baffin Bay
- Baja California (state)
- Baja California Sur
- Baker Island
- Balearic Sea
- Bali Sea
- Baltic Sea
- Banaba Island
- Banda Sea
- Bangkok
- Barents Sea
- Batangas City
- Bathyscaphe Trieste
- Battle of the Coral Sea
- Bay of Bengal
- Bay of Biscay
- Bay of Campeche
- Bay of Fundy
- Beaufort Sea
- Bellingshausen Sea
- Bering Sea
- Bering Strait
- Big Sur
- Bismarck Archipelago
- Bismarck Sea
- Black Sea
- Bluff, New Zealand
- Bohai Sea
- Bohol Sea
- Borders of the oceans
- Borneo
- Bothnian Bay
- Bothnian Sea
- Bougainville Island
- Brisbane
- Brunei
- Buenaventura, Colombia
- Busan
- Cabo San Lucas
- Cagayan de Oro City
- California
- California Current
- Callao
- Cambodia
- Camotes Sea
- Canada
- Cape Horn
- Cape of Good Hope
- Caribbean
- Caribbean Sea
- Caroline Islands
- Caspian Sea
- Cebu City
- Celebes Sea
- Celtic Sea
- Central Africa
- Central America
- Central Asia
- Central Europe
- Ceram Sea
- Charles Darwin
- Chile
- Chilean Sea
- China
- Chongjin
- Chukchi Sea
- Circumnavigation
- Colombia
- Cook Islands
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, bounded by Asia and Australia in the west, and the Americas in the east.
At 165.2 million square kilometres (64.1 million square miles) in area, this largest division of the World Ocean – and, in turn, the hydrosphere – covers about 46% of the Earth's water surface and about one-third of its total surface area, making it larger than all of the Earth's land area combined. The equator subdivides it into the North Pacific Ocean and South Pacific Ocean, with two exceptions: the Galápagos and Gilbert Islands, while straddling the equator, are deemed wholly within the South Pacific. The Mariana Trench in the western North Pacific is the deepest point in the world, reaching a depth of 10,911 metres (35,797 ft).
The eastern Pacific Ocean was first sighted by Europeans early in the 16th century. Spanish explorer Vasco Núñez de Balboa crossed the Isthmus of Panama in 1513 and named it Mar del Sur (South Sea). The ocean's current name was given by Portuguese explorer Ferdinand Magellan during the Spanish expedition of world circumnavigation in 1521, who encountered favourable winds as he reached the ocean and called it Mar Pacifico in Portuguese, meaning "peaceful sea".
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