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The Indian Ocean is the third largest of the world's oceans, covering approximately 20% of the water on the Earth's surface.
It is bounded on the north by the Indian subcontinent; on the west by East Africa; on the east by Indochina, the Sunda Islands, and Australia; and in the far-south by the Southern Ocean.
The Indian Ocean is nearly 10,000 kilometres (6,200 mi) wide at the southern tips of Africa and Australia; its area is 73,556,000 square kilometres (28,350,000 sq mi), which includes the Red Sea and the Persian Gulf.
The average depth of the Indian Ocean is measured at 3,890 m (12,762 ft). Its deepest point is the Diamantina Deep in Diamantina Trench, at 8,047 m (26,401 ft) deep.
Malaysia Airlines Flight 370
Indian Ocean Search Area