Pacific Ocean

CE5

Pacific Ocean, largest and deepest ocean, c.70,000,000 sq mi (181,300,000 sq km), occupying about one third of the earth's surface; named by the explorer Ferdinand Magellan; the southern part is also known as the South Sea.

Sections in this article:

• Introduction
• Exploration and Settlement
• Commerce and Shipping
• Currents
• Ocean Floor
• Coastline and Islands
• Extent and Seas
• Physical Geography
• Bibliography

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2023, Columbia University Press. All rights reserved.

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