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The World Factbook

Pacific Ocean

Photos of Pacific Ocean

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A humpback whale breaching. Humpback whales, known for their spectacular breaches, live in all oceans around the world and have one of the longest migrations of any mammal on the planet, often swimming 8,046 km (5,000 miles) from tropical breeding grounds to colder feeding grounds. Growing up to 18.3 m (60 feet) long and 80,000 pounds, the whale gets its name from the distinctive hump on its back. Humpbacks are sometimes referred to as the “singers of the sea” for their complex “songs,” lasting 4 to33 minutes, which they use to communicate with each other and can be heard up to 32 km (20 mi) away. Image courtesy of NOAA.
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Introduction

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Definitions and Notes
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Geography

Major ocean currents

Major World Ocean Currents:
Major World Ocean Currents

Bathymetry

Figure 1. Profile of the sea floor:
Figure 1. Profile of the sea floor
Figure 2: North Pacific sea floor:
Figure 2: North Pacific sea floor
Figure 3: Southeast Pacific sea floor:
Figure 3: Southeast Pacific sea floor
Figure 4: Southwest Pacific sea floor:
Figure 4: Southwest Pacific sea floor
Figure 5. Southwest Pacific Ocean and Southeast Asia:
Figure 5. Southwest Pacific Ocean and Southeast Asia

Elevation

Distance Sunlight Travels in the Ocean:
Distance Sunlight Travels in the Ocean

Environment

Government

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