1. The Oceans of the World
13.1

2. The Pacific Ocean Largest Circular Shape Average Depth: 4.1 km
Deepest Ocean
Size:
181,344 sq km

3. Pacific
Seas:
Japan
Bering
Coral
S. China

4. Pacific Ocean
Shape
Circular
Trenches all around the edges

5. Pacific Ocean Ridge East Pacific Rise
Extends N to the Gulf of California

6. Pacific Ocean Ridge Features No central rift valley
Easter Island & Galapagos are part of this volcanic mountain chain

7. Tectonic Activity within the Pacific Ocean
Seismic activity along the edges of the ocean
“Ring of Fire”
Earthquakes along edges of Pacific Plate
Volcanoes along edges of Pacific Plate

8. Trenches of the Pacific
Marianas Trench:
2,500 m long
11,033 m deep ~ 7 miles deep
Deepest place on earth
East of Philippines
Trenches mark the boundary between the ocean and continental crust
Trenches occur at subduction zones

9. The Atlantic Ocean Size: 94,314 sq km Avg. Depth 3.8 km
Seas within the ocean:
Mediterranean
Caribbean
Baltic
Gulf of Mexico

10. Atlantic Ocean Shape of the Ocean: Narrow
Long 6,800 mi long north to south

11. Atlantic Ocean Ridge: Mid-Atlantic Ridge Symmetrical on each side
Sea floor spreading occurs here
Longest chain of volcanic mountains
Features:
Fractured
rift is 2000 m lower than mountains

12. Tectonic Activity within the Atlantic Ocean
Earthquakes occur at the center of the rift

13. Geographic Features of the Atlantic Ocean
Abyssal plains
Flat with sedimentary deposits
Sea mounts
Coral atolls

14. Trenches of the Atlantic
Sandwich Trench South America
Puerto Rico Trench
8648 m deep
1,500 km long

15. Indian Ocean Size: Average depth: 3.8 km Seas: 74,118 sq km
Arabian sea

16. Indian Ocean Shape of the ocean: Triangular

17. Indian Ocean Ridge
Mid Indian Ridge is shaped like:

18. Indian Ocean Ridge
Rugged
Seismically active
Earthquakes

19. Features of the Indian ocean floor
Abyssal plains

20. Trenches of the Indian Ocean
Java Trench:
4,500 km long
7,725 m deep

21. Arctic Ocean
Size: 12,257 sq km
Average Depth: 1.1 km
Shape: circular

22. Ridges of the Arctic Ocean
Alpha
Lomonosov
Mid-Atlantic

23. Geographic Features of the Arctic Ocean
3 basins
Eurasian Basin is the deepest point: 5,450 m

24. Your turn:

25. Answers:

26. Add the Seas to your map