GEO130 – OCEANOGRAPHY

PLATES AND TRENCHES

Updated 09.05.12

 

 

LINKS

 

Tectonic Plates Map

 

Plate Movement Map

 

Divergent Plate Boundaries => Spreading Centers =>
Mid Ocean Ridges => New Crust Produced

 

Convergent Plate Boundaries => Trenches =>
Ring of Fire => Crust Recycled

 

Some Major Trenches Map


Middle America Trench
Site of 7.6 Magnitude. Earthquake 09.05.2012


Philippine Trench
Site of 7.6 Magnitude. Earthquake 08.31.2012


 

Crustal Thickness Map (Principal of Isostacy)

 

List of Deepest Ocean Trenches - Wikipedia, the free encyclopedia

List of Deepest Ocean Trenches

From Wikipedia, the free encyclopedia

The following is a list of the deepest parts of the Earth's oceans and seas.

All depths are measured from sea level.

Name Location Depth (metres) Depth (feet) Depth (miles)
1 Mariana Trench Pacific Ocean 10,911 35,797 6.78
2 Tonga Trench Pacific Ocean 10,882 35,702 6.76
3 Philippine Trench Pacific Ocean 10,540 34 580 6.54
4 Kuril-Kamchatka Trench Pacific Ocean 10,500 34,449 6.52
5 Kermadec Trench Pacific Ocean 10,047 32,963 6.24
6 Japan Trench Pacific Ocean 9,000 29,527 5.59
7 Puerto Rico Trench Atlantic Ocean 8,605 28,232 5.35
8 Yap Trench Pacific Ocean 8,527 27,976 5.30
9 South Sandwich Trench Atlantic Ocean 8,428 27,651 5.24
10 Peru-Chile Trench Pacific Ocean 8,065 26,456 5.01
11 Diamantina Trench Indian Ocean 8,047 26,401 5.00
12 Romanche Trench Atlantic Ocean 7,760 25,460 4.82
13 Cayman Trough Caribbean Sea 7,686 25,238 4.78
14 Aleutian Trench Pacific Ocean 7,679 25,194 4.77
15 Java Trench Indian Ocean 7,455 24,460 4.63
15 Middle America Trench Pacific Ocean 6,669 21,880 4.14
16 Eurasian Basin Arctic Ocean 5,450 17,881 3.39