Pacific Ocean The Pacific Ocean is, as you all know, the largest of all the oceans. Its surface area is 64 million square miles and larger than the total land area of the earth, nearly half of the total ocean surface area of the earth. The average death of the Pacific Ocean is 4,280 meters and the deepest place, Mariana trench near the Philippine Islands is 11,000 meters deep (over 35,000 feet), and then Mount Everest is submerged if it is placed in this trench. On September 25, 1513, Spanish adventurer Balboa discovered the vast expanse of water while he passes through the land of Panama. That's the first seeing of Pacific Ocean for Europeans. The name Pacific which means peaceful, is given by Portuguese adventurer ,Magellan in 1521. Along the perimeter of the Pacific Ocean, 55 countries located. Among them, the United States, Canada, China, Japan, Mexico, Australia are included.bMore than 25,000 islands are located in this ocean...