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70% Water - 30% Land
It is difficult to believe, as Australia struggles through its long running drought, that around 70% of the planet's surface area is water.
As Earth's population increases we must really consider the sustainability of our usable fresh water.
Look around your home, school or workplace and consider where you can begin to save.
Adding water tanks & reusing waste water for gardens and lawns are just two of the methods that you can use to protect your future. |
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How big are our Oceans?
The Pacific is the largest single feature on the surface of Earth and contains the the planet's greatest heights and depths.
The volcanic cones of the Hawaiian Islands rise higher from the ocean floor (9760 m) than Mt. Everest does from it's base (8850 m) and the Mariana Trench (10950 m) could easily swallow Everest whole.
The volume of all the land above sea level is only around one eighteenth that of the oceans and seas. |
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Ocean
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Area (Sq. Km)
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Depth (metres)
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Average
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Deepest
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| Pacific |
166,884,380
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4 280
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10 911
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| Atlantic |
86,892,000
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3 925
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8 385
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| Indian |
73,711,300
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3 962
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7 450
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| Arctic |
13,986,000
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1 280
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5 334
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Seas of the World
| Mediterranean Sea |
2 965 435.5 Sq. Km |
| South China Sea |
2 317 960.5 Sq. Km |
| Bering Sea |
2 273 932.2 Sq. Km |
| Caribbean Sea |
1 942 425 Sq. Km |
| Gulf of Mexico |
1 812 930 Sq. Km |
| Sea of Okhotsk |
1 502 142 Sq. Km |
| East China Sea |
1 243 152 Sq. Km |
| Yellow Sea |
1 243 152 Sq. Km |
| Hudson Bay |
1 222 433 Sq. Km |
| Sea of Japan |
1 048 910 Sq. Km |
| North Sea |
572 368 Sq. Km |
| Red Sea |
461 002 Sq. Km |
| Black Sea |
436 398 Sq. Km |
| Baltic Sea |
158 000 Sq. Km |
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The Larger of our Lakes
| Superior |
82 414 Sq. Km.
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| Victoria |
69 485 Sq. Km.
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| Huron |
59 596 Sq. Km.
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| Michigan |
58 016 Sq. Km.
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| Great Bear |
31 792 Sq. Km.
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| Baykal |
31 492 Sq. Km.
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| Great Slave |
28 438 Sq. Km.
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| Tanganyika |
28 399 Sq. Km.
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| Malawi |
28 231 Sq. Km.
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| Eirie |
25 745 Sq. Km.
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