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5 days ago · Geological history. The Pacific Ocean was born 750 million years ago at the breakup of Rodinia, although it is generally called the Panthalassa until the breakup of Pangea, about 200 million years ago. The oldest Pacific Ocean floor is only around 180 Ma old, with older crust subducted by now. Seamount chains
- 4,280 m (14,040 ft)
- 165,250,000 km² (63,800,000 sq mi)
- 10,911 m (35,797 ft)
- 710,000,000 km³ (170,000,000 cu mi)
5 days ago · The Pacific Ocean is the largest of the world's five ocean basins (followed by the Atlantic Ocean, Indian Ocean, Southern Ocean, and Arctic Ocean). Strategically important access waterways include the La Perouse, Tsugaru, Tsushima, Taiwan, Singapore, and Torres Straits.
2 days ago · By 2000 about 12 million islanders lived in Oceania (excluding Australia), and many indigenous cultures were revolutionized by intensive contact with non-Oceanic groups who had intruded from various parts of the Western world.
- The Editors of Encyclopaedia Britannica
- What does Oceania refer to?Oceania is a collective name for the islands scattered throughout most of the Pacific Ocean. The term, in its widest sense, embraces the entire ins...
- What is the land area of Oceania?Oceania, in its most restricted meaning, includes more than 10,000 islands, with a total land area (excluding Australia but including Papua New Gui...
- How many regions is Oceania divided into?Oceania has traditionally been divided into four parts: Australasia (Australia and New Zealand), Melanesia, Micronesia, and Polynesia.
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Apr 15, 2024 · The Spaniards were the first to explore the Pacific Coast following Vasco Núñez de Balboa ’s discovery of the Pacific Ocean in 1513.
- The Editors of Encyclopaedia Britannica
Apr 18, 2024 · The first attempt was made in 1875 during the Challenger Expedition (1872–76), when a sounding of 26,850 feet (8,184 metres) was obtained near the southern end of the trench. In 1899 Nero Deep (31,693 feet [9,660 metres]) was discovered southeast of Guam.
- The Editors of Encyclopaedia Britannica
4 days ago · The Spanish explorer Vasco Nuñez de Balboa sighted the Pacific Ocean in 1513 from a mountain in Panama and, since he had crossed the Isthmus from north to south, called it the South Sea. Seven years later, when the Portuguese explorer Ferdinand Magellan sailed into the ocean, he found it calm and called it the Pacific Ocean.
3 days ago · Distinct names are used to identify five different areas of the ocean: Pacific, Atlantic, Indian, Antarctic/Southern, and Arctic. The ocean contains 97% of Earth's water and is the primary component of Earth's hydrosphere, thus the ocean is essential to life on Earth.
