wellington fault lines

The fear is that a rupture of magnitude 7.5 or greater along the Wellington Fault will damage road and water links in the capital so badly that its … Please see our main contact page for more information. In an emergency please contact our 24 hour Electricity Emergency Line 0800 248 148 For all other matters, please view our contact details here or call your electricity retailer.. 12.2.1 Background. According to Wikepedia “The Wellington Fault is an active seismic fault in … Hazard (Fault Line) Area: Wellington Fault - Map 4 (71KB PDF) Map 54: Hazard (Fault Line) Area: Wellington Fault - Map 5 (66KB PDF) Map 55: Port Noise Emission Levels and Insulation Rules (168KB PDF) Map 56: Ridgelines and Hilltops, Rural North Western - Visibility Areas (181KB PDF) Map 57: The fact that Wellington is built on a fault line is not an issue you should ignore either. The Blue Lines mark the edge of this zone in parts of our region. If we're unable to resolve a complaint, you can call Utilities Disputes on 0800 22 33 40 or visit utilitiesdisputes.co.nz. Some areas may be cut off if your normal access goes through a tsunami … The Wellington Fault consists of three main sections. The Wellington fault presents a major hazard, as it goes through the heart of New Zealand’s capital city and is crossed by numerous bridges, roads and pipelines. [2] The most recent rupture event along this section is constrained to 150–450 yrs BP. WRC/RP-T-96/13 Greater Wellington Regional Council, Wellington, New Zealand. If you are not in an evacuation zone, you don't need to evacuate to higher ground. When we moved to Wellington we didn’t even consider earthquakes. Intensive research has been done to understand the nature of the fault and the best ways to reduce possible earthquake damage and loss. This section is interpreted to give rise to characteristic earthquakes involving rupture of the entire fault segment, with a single-event displacement of 3.8–4.6 m. The recurrence interval is 500–770 years. It has long been thought that the Ohariu fault “dies out” to the north in the Waikanae/Otaki area as a series of splays. / Major Faults in New Zealand ... a hard-line democratic socialist, into the Labour leadership. These plate movements have resulted in three major fault-lines running either through or very close to Wellington City - the Ohariu Fault, the Wairarapa Fault, and the Wellington Fault. Many fault lines cut the ground’s surface in New Zealand; each past fault movement would have been accompanied by a large earthquake. 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. The Canadian Cluster Handbook. [1], Although no historic earthquake has been recorded for this fault, the potential impact of rupture along the Wellington-Hutt Valley section on the Wellington area makes it one of the greatest natural hazards in New Zealand. A newly released map reveals the extraordinary complexity of Monday morning's monster magnitude-7.8 earthquake. It forms part of the North Island Fault System, which accommodates the transfer of displacement along the oblique convergent boundary between the Indo-Australian Plate and Pacific Plate. A fault line or a fault is a fracture in the crust which had the crust moved. Skip to Main Content. The progressive fault lines facing New Zealand in 2021 and beyond. Combined Earthquake Hazard Map 1:30000, Pub . Information available includes the age of the most recent activity on each fault segment, surface rupture areas, and whether or not the faults are visible at the surface. The Wellington fault presents a major hazard, as it goes through the heart of New Zealand’s capital city and is crossed by numerous bridges, roads and pipelines. The most active fault in the region (ie, the one with the shortest recurrence interval) is the Wellington Fault which extends northwards from the Cook Strait (its most southernmost known location) past the south Wellington shoreline, through Wellington and the Hutt Valley and through the Tararua Range to … They are very serious and not something you’d want to experience. A large part of the region’s population lives within 50 miles of the San Andreas fault and could be exposed to very strong levels of ground shaking in a major earthquake. It is possible that the Māori legend of the formation of Whanganui-a-Tara (Wellington Harbour) derives from an oral record of an early quake along this fault. Wellington's … ADD TO COLLECTION. The fault line dominates the greater Wellington region’s landscape and is the most predominant geological feature in the area. According to Wikepedia “The Wellington Fault is an active seismic fault in the southern part of … What would a major Wellington earthquake be like? The location of the faultline between Wellington and the Scarplet in Totara Park was mapped in the 1940s, when the war effort put a new emphasis on … “Ontario divided: Anger, economics and the fault lines that could decide the election.” Globe and Mail. It forms part of the North Island Fault System, which accommodates the transfer of displacement along the oblique convergent boundary between the Indo-Australian Plate and Pacific Plate. How much do the Wellington fault lines move? / Wellington Fault / Major Faults in New Zealand / Earthquakes / Science Topics / Learning / Home - GNS Science", https://en.wikipedia.org/w/index.php?title=Wellington_Fault&oldid=951024617, Creative Commons Attribution-ShareAlike License, This page was last edited on 15 April 2020, at 02:46. Click here to use the California fault activity map. The Blue Lines mark the edge of this zone in parts of our region. Correlation on altitude of certain levels outside the area / Earthquakes The Ohariu fault, discovered about 100 years ago, extends northeastward from offshore of the Wellington south coast near Tongue Point through Porirua towards Paraparaumu. Correlation on altitude of certain levels outside the area Greater Wellington Regional Council (1996). View looking NE, with Thorndon But in saying that, New Zealand is riddled with faults, and the main Wellington fault line is massive, joining up with others further up the North Island. Check out our Wellington Fault video here. May 22, 2018. It consists of two active fault strands, the southeasterly of which carries most of the displacement, as shown by offset drainage patterns. The relationship between a fault and an earthquake was first introduced to us by century geologists in the nineteenth century after the massive 1855 earthquake that took place in Wellington, New Zealand. GNS Science earthquake geologist … [1], This 42 km long segment runs from near Putara in the south to near Woodville in the north, where the fault branches into the Ruahine and Mohaka Faults. This segment is relatively linear with a strike of 033°. This shows the fault that runs through the centre of Wellington Harbour and the Hutt Valley. The Kaitoke basin is a small pull-apart basin formed at the 2 km lateral offset between this segment and the Tararua segment, near Kaitoke.[2]. Totara Park – suburb on a fault line. Wellington is located on six active faults. 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. Along most of its length in the Hutt Valley, the Wellington Fault follows close to the line of the Hutt … These plate movements have resulted in three major fault-lines running either through or very close to Wellington City - the Ohariu Fault, the Wairarapa Fault, and the Wellington Fault. Rights: GNS Science Limited, Lloyd Homer Published 21 July 2007 Size: 570 KB Referencing Hub media. Major faults that may result in significant earthquakes in the Wellington region include the Alpine Fault, and the Marlborough fault system in the South Island, and the Ohariu Fault, Wellington Fault, Wairarapa Fault, Reikorangi Fault, Otaki Forks Fault, and Wairangi Fault in the North Island. Features in the Wellington Fault line between Cook Strait and the harbour are shown to have a composite origin, and the fault line is shown to be discontinuous. / Wellington Fault. [12] Institute for Competitiveness & Prosperity (March 2019). [1], This 75 km long curved fault segment is mapped on the floor of the Cook Strait before crossing the Wellington peninsula through Long Gully and along the northwestern edge of Wellington Harbour, past Lower Hutt terminating near Kaitoke. Over 75% of people in the Wellington region live within 10 kilometres of the fault. Wellington, Central North Island 5.8 magnitude earthquake had no known links to major fault lines - NZ Herald Auckland couple used their children as 'puppet' directors and shareholders in … Combined Earthquake Hazard for urban areas in the western Wellington Region. It’s very possible that Wellington in the future will have other strong earthquakes. The dextral slip rate for this section is 4.9–7.6 mm/yr, with a single-event displacement of 3.5–5.5 m and a recurrence interval of 500–1120 years. The Wellington Fault forms distinctive landscape features running right through the central city. How often do earthquakes occur along the fault? The fault line dominates the greater Wellington region’s landscape and is the most predominant geological feature in the area. They are known to have ruptured the … Combined Earthquake Hazard for urban areas in the western Wellington Region. If we're unable to resolve a complaint, you can call Utilities Disputes on 0800 22 33 40 or visit utilitiesdisputes.co.nz. Notes on earthquake hazard mitigation measures 1. The Wellington Fault is a major active fault that runs from Cook Strait, through Wellington City, the harbour, the Hutt Valley and beyond into the Tararua Range. Fault lines in the lower North Island . On the evidence available the fault is not considered to be transcurrent in this sector. GNS Science earthquake geologist … Wellington fault lines. / Learning Wellington owes its distinctive landscape to this fault. A large part of the region’s population lives within 50 miles of the San Andreas fault and could be exposed to very strong levels of ground shaking in a … New Zealand's capital city lies within the earthquake-generating collision zone between two of the Earth's great tectonic plates, and sits on top of one of the zone's most active geological faults - the Wellington Fault. A newly discovered active fault line along Wellington's harbour could result in a large quake for the city, scientists say. Sheet 1 Wellington (1st ed.) It is when one of these faults … If you are not in an evacuation zone, you don't need to evacuate to higher ground. A newly released map reveals the extraordinary complexity of Monday morning's monster magnitude-7.8 earthquake. Menu Contact Search / Science Topics It terminates near Putara. [3], "Paleoseismicity of the Wellington – Hutt Valley Segment of the Wellington Fault, North Island, New Zealand", "How often do earthquakes occur along the fault? New Zealand's capital city lies within the earthquake-generating collision zone between two of the Earth's great tectonic plates, and sits on top of one of the zone's most active geological faults - the Wellington Fault. State of California. Fault lines in the lower North Island . In an emergency please contact our 24 hour Electricity Emergency Line 0800 248 148 For all other matters, please view our contact details here or call your electricity retailer.. Wellington is located on six active faults. The Wellington Fault forms distinctive landscape features running right through the central city.

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