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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 ...
The Vanuatu subduction zone is seismically active, producing many earthquakes of magnitude 7 or higher. [6] To its north is the Pacific plate, north-east the Balmoral Reef plate and to its east the Conway Reef plate.
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 area of the southern part of the subduction zone between the latitudes 21.5 and 22.5° S and the longitudes 169 and 170° E is very active. [5] There have been multiple earthquakes including swarms of magnitude Mw 7.0+ during recent decades impacting on New Caledonia and Vanuatu. [5]
Volcanic activity is also present along this north-northwest trending and northeast-dipping subduction zone. [2] 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 gap in seismicity that ...
A subduction zone makes up most of the border of ... The deepest earthquake ever recorded was a small 4.2 earthquake in Vanuatu at a depth of 735.8 km ...
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 ...
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 ...