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The North Island Fault System (NIFS) (also known as North Island Dextral Fault Belt or North Island Shear Belt [1]) is a set of southwest–northeast trending seismically-active faults in the North Island of New Zealand that carry much of the dextral (right lateral) strike-slip component of the oblique convergence of the Pacific Plate with the Australian Plate.
The Wellington Fault is an active seismic fault in the southern part of the North Island of New Zealand. It is a dextral (right-lateral) strike-slip fault with variable amounts of vertical movement causing uplift to the northwest, as expressed by a series of ranges.
Map of faults and Quaternary volcanoes in Auckland region. To show well the volcanoes in relation to fault lines, you have to click on the map to enlarge and then zoom and pan. This also enables mouse over of the volcano and fault names. Definite active faults are shown in red.
The largest earthquake in New Zealand was an M8.2 event in the Wairarapa, in 1855, [35] and the most deaths (261) occurred in a M7.8 earthquake in Hawkes Bay in 1931. Widespread property damage was caused by the 2010 Canterbury earthquake , which measured 7.1; The M6.3 aftershock of 22 February 2011 ( 2011 Canterbury earthquake ) resulted in ...
Major active fault zones of New Zealand showing variation in displacement vector of Pacific plate relative to Australian plate along the boundary. The Marlborough fault system (also known as Marlborough tectonic domain [2]) is a set of four large dextral strike-slip faults and other related structures in the northern part of the South Island, New Zealand, which transfer displacement between ...
The Alpine Fault is a geological fault that runs almost the entire length of New Zealand's South Island, being about 600 km (370 mi). [ a ] long, and forms the boundary between the Pacific plate and the Australian plate . [ 4 ]
The Otago fault system (also known as Otago reverse fault province) contains multiple faults with the potential to have rupture events greater than M w 7 in magnitude. [2] [3] These are parallel to, and to the east of the Alpine Fault in the south eastern part of the South Island of New Zealand. It accommodates about 2 mm (0.079 in)/year of ...
The 1848 Marlborough earthquake in the southern island preceded the 1855 Wairarapa earthquake earthquake by seven years. [2] It is known that the 2016 KaikÅura earthquake loaded the southern part of the fault, [ 2 ] but as already mentioned the mean recurrence interval is 1,230 ± 190 years. [ 6 ]