Tonga Trench — The Tonga Trench is located in the Pacific Ocean and is 10,882 meters (35,702 ft) deep at its deepest point, known as the Horizon Deep.The trench lies at the northern end of the Kermadec Tonga Subduction Zone, an active subduction zone where the… … Wikipedia
tonga — /tong geuh/, n. a light, two wheeled, horse drawn vehicle used in India. [1870 75; < Hindi tanga] * * * Tonga Introduction Tonga Background: The archipelago of The Friendly Islands was united into a Polynesian kingdom in 1845. It became a… … Universalium
Tonga — /tong geuh/, n. a Polynesian kingdom consisting of three groups of islands in the S Pacific, NE of New Zealand: a former British protectorate. 100,105; ab. 270 sq. mi. (700 sq. km). Cap.: Nukualofa. Also called Tonga Islands, Friendly Islands.… … Universalium
Tonga Plate — The Tonga Plate is a small southwest Pacific tectonic plate or microplate. It is centered at approximately 19° S. latitude and 173° E. longitude. The plate is an elongated plate oriented NNE SSW and is a northward continuation of the Kermadec… … Wikipedia
Kermadec Trench — ▪ trench, Pacific Ocean submarine trench in the floor of the South Pacific Ocean, about 750 mi (1,200 km) in length, forming the eastern boundary of the Kermadec Ridge. The two together comprise the southern half of the Tonga–Kermadec Arc,… … Universalium
Oceanic trench — Oceanic crust is formed at an oceanic ridge, while the lithosphere is subducted back into the asthenosphere at trenches. The oceanic trenches are hemispheric scale long but narrow topographic depressions of the sea floor. They are also the… … Wikipedia
Geography of Tonga — Kingdom Of Tonga Puleʻanga Fakatuʻi ʻO Tonga Nickname: The Friendly Islands Map of Tonga … Wikipedia
Hikurangi Trench — The Hikurangi Trench (also called the Hikurangi Trough) is a linear deep in the Pacific Ocean off the east coast of the North Island of New Zealand, lying between the southern end of the Cook Strait and the Chatham Rise. Though much shallower, it … Wikipedia
deep-sea trench — or oceanic trench Any long, narrow, steep sided depression in the ocean bottom in which maximum oceanic depths (24,000–36,000 ft, or 7,000–11,000 m) occur. The deepest known depression of this kind is the Mariana Trench. Most trenches occur at… … Universalium
Kermadec-Tonga Subduction Zone — The Kermadec Tonga Subduction Zone is a convergent tectonic plate boundary which stretches from the North Island of New Zealand northward, and includes the Hikurangi Trough, the Kermadec Trench and the Tonga Trench. Along this zone, the Pacific… … Wikipedia
