17 Facts About Pacific


Pacific Ocean is the largest and deepest of Earth's five oceanic divisions.

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Western Pacific has many major marginal seas, including but not limited to the South China Sea, the East China Sea, the Sea of Japan, the Sea of Okhotsk, the Philippine Sea, the Coral Sea, Java Sea and the Tasman Sea.

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Pacific called it, which in both Portuguese and Spanish means 'peaceful sea'.

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From, probably, the Bismarck Archipelago they crossed the western Pacific to reach the Marianas Islands by 1500 BCE, as well as Palau and Yap by 1000 BCE.

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Spain sent expeditions to the Pacific Northwest, reaching Vancouver Island in southern Canada, and Alaska.

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The lands around the Pacific Rim are full of volcanoes and often affected by earthquakes.

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Islands in the Pacific Ocean are of four basic types: continental islands, high islands, coral reefs and uplifted coral platforms.

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Coral reefs of the South Pacific are low-lying structures that have built up on basaltic lava flows under the ocean's surface.

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The motion of Pacific waters is generally clockwise in the Northern Hemisphere and counter-clockwise in the Southern Hemisphere.

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The South Equatorial Current, flowing west along the equator, swings southward east of New Guinea, turns east at about 50°S, and joins the main westerly circulation of the South Pacific, which includes the Earth-circling Antarctic Circumpolar Current.

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The trade winds in the southern and eastern Pacific are remarkably steady while conditions in the North Pacific are far more varied with, for example, cold winter temperatures on the east coast of Russia contrasting with the milder weather off British Columbia during the winter months due to the preferred flow of ocean currents.

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Pacific Ocean is the only ocean which is mostly bounded by subduction zones.

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Pacific Ocean contains several long seamount chains, formed by hotspot volcanism.

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Quantity of small plastic fragments floating in the north-east Pacific Ocean increased a hundredfold between 1972 and 2012.

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From 1946 to 1958, Marshall Islands served as the Pacific Proving Grounds for the United States and was the site of 67 nuclear tests on various atolls.

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Several nuclear weapons were lost in the Pacific Ocean, including one-megaton bomb lost during the 1965 Philippine Sea A-4 incident.

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Apart from dumping, leakage of tritium into the Pacific was estimated to be between 20 and 40 trillion Bqs from 2011 to 2013, according to the Fukushima plant.

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