1. The oceans occupy more than 70% of the planet earth's surface.
2. The total length of the ocean's coastlines could circle the equator 12 times.
3. 10% of the earth's surface is covered with frozen water or ice.
4. More than half the world's human population lives within 60 miles of the coast.
5. 80% of the planet's life lives in the ocean.
6. Less than 10% of the ocean has been explored by humankind to date.
7. The average depth of the ocean is more than 2.5 miles deep.
8. The water pressure in the deepest spot on earth, the 35, 802 feet deep Mariana Trench, can be as great as 8 tons per square inch, equivalent to the force created by 50 jumbo jets.
9. 90% of all volcanic activity on earth occurs in the Ocean.
10. The water that forms off the coast of Iceland can be found in the Pacific Ocean, 1000 years later.
11. There are more than 275,000 species known to man living in the ocean, and the potential for many, many new discoveries.
12. The largest animal on earth lives in the ocean: the blue whale, which wieghs as much as 40 rhinos and has a heart the size of a compact car.
13. The largest fish in the world is the whale shark, which can weigh close to 15 tons.
14. The longest migration on earth also takes place in the ocean - that of the grey whale, which travels 10,000 miles each year.
15. The Great Barrier Reef is the largest structure on the planet earth, visble from Space.
16. The longest mountain range on earth is the submerged Mid-Ocean Ridge, which is 40,000 miles long.
17. The tallest mountain is also under the water: Mauna Kea in Hawaii, which stands 33,465 feet tall.
18. The highest tides in the ocean occur at the Bay of Fundy between New Bruswick and Nova Scotia, where the different between high and low tide can be the height of a three story building.
19. The marlin is the fastest fish in the ocean, having been clocked over 75mph.
20. Over 60% of the world's coral reefs are threated as a result of pollution, sedimentation and rising water temperatures.
