Within 12 nautical mile of the coastline of each country, it belongs to the territorial waters of each country, and the rest is the high seas. Therefore, the Pacific Ocean belongs to no country, belongs to the whole earth, and is a natural treasure and a gift of the earth. Even if it is surrounded by many countries, it cannot change its ownership.
The Pacific Ocean lies between Asia, Oceania, Antarctica and North and South America. The longest from north to south is about 15900 km, and the widest from east to west is about 19000 km, with a total area of181344,000 square kilometers, an average depth of 3957 m and a maximum depth of 1 1034 m.
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The seabed above 3000 meters accounts for more than 80% of the area. How deep is the Pacific trench? There are 25 trenches with a depth of more than 6,000 meters in the world, 20 of which are in the Pacific Ocean. Six trenches with a depth of more than 1 10,000 meters are all in the Pacific Ocean. Mariana Trench is the deepest, with a depth of 1 152 1 m.
Trenches exceeding 1 10,000 m include Tonga trench (10882 m), kuril trench trench (10542 m), Japanese trench (10595 m), Philippine trench (10830 m) and Keke trench. There are many deep-sea trenches in the west, north and east of the Pacific Ocean.