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The zone includes most of the islands of Vanuatu, the Santa Cruz islands of the southern Solomon Islands, [4] and the Loyalty Islands.A number of ocean floor features are related to the zone, in particular the New Hebrides Trench (South New Hebridies Trench) [5] and the North New Hebrides Trench (Torres Trench) which is separated from the southern trench by the d'Entrecasteaux Ridge and the ...
This subduction zone is one of the most active plate boundaries globally, moving at a rate of approximately 170 mm (7 in) per year. [5] While much of the island arc experiences intermediate-depth earthquakes along a Wadati–Benioff zone that dips steeply at 70°, the area adjacent to the D'entrecasteaux Ridge does not. There is a corresponding ...
The southern New Hebrides Trench is defined as extending from to The North New Hebrides Trench (Torres Trench) that extends to the west of the Solomon Islands is a separate marine feature to the southern New Hebrides Trench due to the d'Entrecasteaux Ridge, even though they are tectonically part of the same subduction zone.
PORT VILA, Vanuatu (AP) -- Relief workers saw a flattened landscape and widespread destruction in Vanuatu's outer islands Tuesday after struggling for days to reach the areas of the South Pacific ...
"Potential tsunami hazard of the southern Vanuatu subduction zone: tectonics, case study of the Matthew Island tsunami of 10 February 2021 and implication in regional hazard assessment". Natural Hazards and Earth System Sciences. 23 (2): 393–414. Bibcode:2023NHESS..23..393R. doi: 10.5194/nhess-23-393-2023. S2CID 253207848.
At the South New Hebrides Trench, Australia lithosphere converges with and sinks beneath the Pacific plate, descending into the mantle and forming the New Hebrides/Vanuatu subduction zone, stretching from New Caledonia in the south to the Santa Cruz Islands in the north, a distance of about 1,600 km. The 2021 earthquake occurred in close ...
File information Description Vanuatu subduction zone and associated ocean floor features Source See Vanuatu subduction zone, New Hebrides Trench, North New Hebrides Trench, d'Entrecasteaux Ridge, North Fiji Basin, New Britain subduction zone, Vityaz Trench, Hunter Ridge.
The back arc thrust event occurred within the Vanuatu archipelago, just to the south of the volcanic island of Ambrym. Vanuatu, which was previously known as New Hebrides, is subject to volcanic and earthquake activity because it lies on an active and destructive plate boundary called the New Hebrides Subduction Zone.