Location: It is located between North America and South America in the east and the Asian and Australian continents in the west.
Size: It is the biggest ocean in the world and covers about one-third of the Earth's surface. It is almost circular in shape. It is, in fact, bigger than the size of all the continents put together.
Depth: It is the deepest ocean in the world. The Mariana Trench, which is the lowest point of the Earth's crust, is located here.
Islands: There are around 20,000 islands in this ocean; they are mostly located to the south of the Equator.
Volcanoes: Around three-fourths of the volcanoes of the world are located in this region. This region of volcanoes is also called the Ring of Fire.