Tonga trench
The Tonga Trench is a deep sea channel up to 10,882 m deep and 1,250 km long in the south-western part of the Pacific Ocean .
geography
As the northern part of the Kermadec-Tonga Trench , the Tonga Trench is located in the southwestern Pacific between the Samoan Islands in the north, the South Pacific Basin in the east, the Kermadec Trench in the south and the Kermadec-Tonga Ridge with the Tonga Islands in the west. It is roughly between 13 and 27 ° south latitude and 163 and 175 ° west longitude .
geology
The Tonga Trench forms part of the deeply cut seam between the Australian plate in the west and the Pacific plate in the east. The Pacific Plate migrates westwards under the Australian Plate at a rate of 15 to 24 cm per year, creating a subduction zone .
Ocean lows
In the Tonga Trench there are, among others, these sea lows :
- Witjastief 2 (10,882 m), deepest point in the Tonga Trench
- Horizontief (10,647 m)
See also
Web links
Coordinates: 22 ° 56 ′ 41 ″ S , 174 ° 43 ′ 59 ″ W.