Share. Several major faults run alongside and within this system, including the Wellington Fault. A wall has been built across the fault scarp to check for movement. Scientists have revealed new insights into what's piling pressure on New Zealand's big-risk Alpine Fault – and whether the past decade's quakes have added to its squeeze. The Alpine Fault runs for about 600km up the spine of the South Island, and is one of the world’s major geological features. The Alpine Fault marks the boundary of the Pacific and Australian Plates. GPS-coordinates of Alpine: 32° 50' 6.188" N 116° 45' 59.079" W : UTM coordinates (WGS84) of Alpine. The Alpine Fault is the dominant structure defining the Australian-Pacific plate boundary in the South Island of New Zealand. Map of South Island showing Alpine Fault, distribution of major Late Quaternary faults (somewhat generalised) and current plate vector (after DeMets et al., 1994). Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Here you can get right up close to the plate boundary fault that runs the length of the South Island. Because the Alpine fault begins so cleanly, Furlong believes it can tell us something about strike-slip faults in general. Most of the movement along the fault is horizontal (sideways), but there is also a vertical component. Transform faults are also referred to as "conservative" plate boundaries, inasmuch as lithosphere is neither created nor destroyed. Menu Contact Search These faults take up some of the total displacement caused by plate collision, so the continuation of the … Arrows mark a point near the base of the scarp. ), showing that the fault is stuck. The Australian plate is sliding horizontally towards the north-east, at the same time as the Pacific plate is pushing up, forming the … The faults within this system head southwards and converge to form the Alpine Fault, which carries most of the plate boundary strain in the region. David B wrote a review Feb 2020. Can't find Fault. The Hope Fault is an active dextral (right lateral) strike-slip fault in the northeastern part of South Island, New Zealand.It forms part of the Marlborough Fault System, which accommodates the transfer of displacement along the oblique convergent boundary between the Indo-Australian Plate and Pacific Plate, from the transform Alpine Fault to the Hikurangi Trench subduction zone. The Alpine Fault at Inchbonnie – Hohonus and Taramakau River looking east [L.Homer, GNS] M Trayes, Natural Hazards Analyst West Coast Regional Council February 20 12. The Alpine Fault is a geological fault, known as a right-lateral strike-slip fault, that runs almost the entire length of New Zealand's South Island. Athy 19 contributions 4 helpful votes. The Alpine Fault is a geological fault, specifically a right-lateral strike-slip fault, that runs almost the entire length of New Zealand's South Island.It forms a transform boundary between the Pacific Plate and the Indo-Australian Plate. Whilst it ruptures mainly in a sideways direction, some uplift on its eastern side has given rise to the Southern Alps. Ground shaking will occur from ruptures on these fault lines. It is the on-land boundary of the Pacific and Australian plates.But where exactly is it? The Southern Alps have been uplifted on the fault over the last 12 million years in a series of earthquakes. Rectangle indicates area shown in Fig. The fault scarp runs very close to the parking area, © GNS Science 2017, version 3.2.4.197 created 20190802-1555, Wall across the Alpine Fault at Calf Paddock, R.Langridge / GNS.Science, The Alpine Fault Trace runs from lower left towards the hill , J.Thomson / GNS.Science, The Alpine Fault trace is a low scarp cutting across calf paddock , J.Thomson / GNS.Science, Alpine Fault runs across the image, and through centre of wall, J.Thomson / GNS.Science, Sign at Calf Paddock, Maruia - spot the typo! 6. slip vector is oriented approximately 20 to the trace of the fault, resulting in components of 35.5 mm/yr parallel and 10 mm/yr perpendicular to the Alpine Fault. What is the Alpine Fault and why should we be concerned about it? The Alpine Fault cuts obliquely across the South Island, forming the western edge of … Earthquakes along the fault, and the associated earth movements, have formed the Southern Alps.The uplift to the southeast of the fault is due to an element of convergence between the … A fault zone is a cluster of parallel faults. This is a commercial tour run by the local landowner, and visits must be organised in advance. Alpine Fault movement . The Alpine Fault is a geological fault, specifically a right-lateral strike-slip fault, that runs almost the entire length of New Zealand’s South Island. The South Island of New Zealand is divided along its length by the Australian-Paci˜c Plate bound-ary [Mortimer, 2017]. The Alpine Fault is a geological fault, specifically a right-lateral strike-slip fault, that runs almost the entire length of New Zealand’s South Island. At its northern end it divides into several branches that are known as the Marlborough Fault System. Elisabeth, your guide, has a good knowledge of the Alpine Fault, and to be able to straddle 2 tectonic plates was a real moment to remember. Access is across private farmland, just south of Whataroa. The Alpine Fault The Alpine Fault, marked here by the yellow line, stretches nearly the entire length of Te Waipounamu, the South Island of Aotearoa New Zealand. The uplift to the southeast of the fault is due to an element of convergence between … A number of outstanding problems remain in regard to the Alpine Fault, two of which are: Langridge J.G. At its northern end it divides into several branches that are known as the Marlborough Fault System. However ... such as the Dead Sea Transform in the Middle East or the Alpine Fault in New Zealand. a!. Motion on the fault within its central portion is … When you look at the outcrop, the most striking thing at first sight is the colour of the rock material along the fault. The Alpine Fault is responsible for forming the Southern Alps mountain range, which has been pushed up on the Pacific Plate side of the boundary. Figure 4 Map of the Alpine Fault in West Coast region and the data sources used in this mapping study (shown by colour). The scarp of the Alpine Fault occurs as a northeast-southwest striking feature through the map, and its zone of deformation has a considerable width. Thanks for rating! The Alpine Fault runs northeast from the northern side of the entrance to Milford Sound, along the western side of the Southern Alps for about 800 … Pacific plate on left, Australian Plate on right. The synthetic records show that ground motion accelerations in Greymouth and Hokitika are expected to exceed 20%g and 50%g respectively during … The length of the rupture will be … It is the line along which the Australian and Pacific tectonic plates are being pushed together. Map of the northern end of the Alpine Fault and Marlborough Fault System. The Alpine Fault marks the boundary of the Pacific and Australian Plates. It is also a very active fault, … New research from Victoria University of Wellington could prompt a shift in thinking about the South Island’s Alpine Fault.. Well … The Alpine Fault crosses many West Coast townships, tourist areas, and key infrastructure so there is fear attached to the impact of a fault rupture in these areas." The Alpine Fault is overdue for an earthquake that could reshape the South Island, scientists say. ©NASA The Alpine Fault, which runs for about 600km up the spine of the South Island, is one of the world’s major geological features. It forms the sharp line separating the snow-covered Southern Alps in the east from the low coastal plain bordering the … QMAP mapping data is predominant at the northeast and southwest ends of the fault, while Otago University mapping is the predominant source from Hokitika to Haast. UTM coordinates … Map of the New Zealand region, showing the land area and bathymetry of the surrounding continental shelf. You can actually stand with each foot on a separate tectonic plate! Project Number: 430W1444 DISCLAIMER This report has been prepared by the Institute of Geological and Nuclear Sciences Limited (GNS Science) exclusively for and under contract to West Coast Regional Council. Unless otherwise agreed in writing by GNS Science, GNS Science accepts no … While the Alpine fault does not impact large populated areas, the other major strike-slip faults do, including the San Andreas in California, the Anatolian in Turkey and faults in China and Central Asia. Convergence on the plate boundary along the Alpine Fault ranges from a vector trending 084° at a rate of 45 mm yr-1 (Norris et. There were 4 of us on this tour and all enjoyed learning more about the geology of such an impressive landscape. ALPINE FAULT: "An earthquake on the Alpine Fault in the near future would not be a big surprise." Date of experience: November 2020. Snow on the mountains of the Pacific plate contrasts with the lower land of the Australian plate. The faults within this system head southwards and converge to form the Alpine Fault, which carries most of the plate boundary strain in the region. A wall has been built across the fault scarp to check for movement. This demonstration allows you to go on a virtual field trip along the Alpine Fault and see some of the key outcrops. It is the line along which the Australian and Pacific tectonic plates are being pushed together. The 2012 paper suggests simply that … Contour line interval is 0.5 m. It forms a transform boundary between the Pacific Plate and the … Latitude of Alpine: 32.8350521: Longitude of Alpine-116.7664109: Rate our service for the coordinates of Alpine. Movement along this fault has uplifted the Southern Alps and helped shape the South Island landscape we know today. Scientists have revealed new insights into what's piling pressure on New Zealand's big-risk Alpine Fault – and whether the past decade's quakes have added to its squeeze. The Maruia campsite and car park is about 5 km out of Springs Junction on SH 7 towards Lewis Pass. Fault ruptures (earthquakes) have displaced river terraces that cross the fault. It has been crushed and altered (metamorphosed) at depth, and gradually dragged to the surface by uplift of the Pacific Plate. They have been pushed up by many and continued earthquakes occurring on the fault. Outstanding couple of hours discovering the Earthquake zone that is ripping New Zealand apart. Most of the movement along the fault is horizontal (sideways), but there is also a vertical component. The Alpine Fault. Movement occurs during very large earthquakes approximately every 300 years, with the last one happening 300 years ago in 1717AD. See below for contact information to organise a visit. South Island Faults. In the central South Island, the Alpine Fault is dextral-re-verse and bounds the western edge of the Southern Alps (Norris et al., 1990). Figure 4 Map of the Alpine Fault in West Coast region and the data sources used in this mapping study (shown by colour). Fault ruptures (earthquakes) have displaced river terraces that cross the fault. It forms a transform boundary between the Pacific Plate and the Indo-Australian Plate. Latitude and Longitude of Alpine. Through the South … You can pick out the line of the Alpine Fault on this satellite image of the South Island. The bus trip there and back also good fun. There is an interactive map application to view the faults online and a separate database search function. Pākihi Supergoup: 5 million years ago – present, There is more information about this locality and some of the science research at, http://juliansrockandiceblog.blogspot.co.nz/2016/02/digging-into-alpine-fault.html. Elizabeth, our tour guide, was very knowledgeable and enthusiastic showing off this area of NZ and explaining how the tectonic plates work. A reverse fault (if steeply dipping) or thrust fault (if shallowly dipping) is a fault where the fault plane dips toward the upthrown block. Map of the New Zealand region, showing the land area and bathymetry of the surrounding continental shelf. The Wairau, Awatere and Clarence faults are an extension of the Alpine Fault, as are a number of other active faults of limited extent. How often does the Alpine Fault rupture? 0 ratings. Ground shaking will occur from ruptures on these fault lines. allow individual streets to be identified in the map. Beban GNS Science Consultancy Report 2011/217 September 2011 . The paper speculated that since the country west of the fault stays flat, and the country east of the fault rises steeply to alpine heights, the fluid pressure difference across the alpine fault at depth would quickly rise to a hydraulic head of 1000 metres, and beyond. The Alpine Fault is a geological fault, known as a right-lateral strike-slip fault, that runs almost the entire length of New Zealand's South Island. The country lies on the Ring of Fire which means it is a hotspot for earthquakes. Alpine Fault which give us some measure of what we might be in for when the predicted large event occurs. Introduction: Although the Alpine Fault has the potential to cause catastrophic damage on the West Coast, and … Most of New Zealand's major faults are similar in this respect. Recent research by GNS Science has extended our … Dip-slip faults Normal faults in Spain, between which … The Alpine Fault is a geological fault that runs almost the entire length of New Zealand's South Island (c. 480 km) and forms the boundary between the Pacific Plate and the Indo-Australian Plate. It forms a transform boundary between the Pacific Plate and the Indo-Australian Plate. Movement occurs during very large earthquakes approximately every 300 years, with the last one happening 300 years ago in 1717AD. 1990) to 071 o at a rate of 39 mm yr-1 (De Mets et. High risk faults in New Zealand include the Alpine Fault, Wairararapa Fault, Wellington Fault, and Napier Fault. The Hope Fault is an active dextral (right lateral) strike-slip fault in the northeastern part of South Island, New Zealand.It forms part of the Marlborough Fault System, which accommodates the transfer of displacement along the oblique convergent boundary between the Indo-Australian Plate and Pacific Plate, from the transform Alpine Fault to the Hikurangi Trench subduction zone. J.Thomson / GNS, Alpine Fault is at the base of the greenish grey cataclasite layer, J.Thomson / GNS Science. The Pacific Plate and Indo-Australian Plate boundary forms the Macquarie Fault Zone in the Puysegur Trench off the southwestern corner of the South Island and comes onshore as the Alpine Fault just north of Milford Sound. This is a classic exposure of the Alpine Fault. Country of origin: New Zealand Location: Auckland, Auckland (early); Brisbane, Queensland, Australia (later) Status: Split-up Formed in: 2005 Genre: Melodic Progressive Metal Lyrical themes: N/A Last label: Rare Breed Records Years active: 2005-2013 . The Marlborough Fault System is a major sequence of faults in the upper South Island. The Alpine Fault then runs the length of the South Island just west of the Southern Alps to near Lewis Pass in the … Alpine Fault Tours, Whataroa: See 24 reviews, articles, and 47 photos of Alpine Fault Tours, ranked No.3 on Tripadvisor among 4 attractions in Whataroa. The Alpine Fault Trace runs from lower left towards the hill, J.Thomson / GNS.Science The northern section of the Alpine Fault runs through this area. of the Alpine Fault R.M. This fault has ruptured four times in the past 900 years, each time producing an earthquake of about magnitude 8. Alpine Fault. This greenish grey clay is known as cataclasite. It’s the "on-land" boundary of the Pacific and Australian Plates. How often does the Alpine Fault rupture? The average slip rates in the fault's central region are abo… The Alpine Fault last got seriously testy in 1717 or thereabouts and before that, in descending order, 1620, 1430 and 1100. An online map of United States Quaternary faults (faults that have been active in the last 1.6 million years) is available via the Quaternary Fault and Fold Database. It is shown on geologic maps as a black line with either a block pattern on the downthrown side, or the letters U/D showing the upthrown and downthrown sides. Work during the 1990s has established that the Alpine Fault is a major source of potential seismic hazard and incorporation of data from the fault into seismic hazard maps has greatly changed the perception of earthquake hazard in the South Island. There are also several important faults offshore to the east of Marlborough. They normally last about 2 hours. The fault itself has been active for about 20 million years, but the gravels through which it passes at this locality were deposited towards the end of the last ice age about 15 to 16 thousand years ago. Earthquakes along the fault, and the associated earth movements, have formed the Southern Alps. The northern section of the Alpine Fault runs through this area. The red line on this map shows our plate boundary (see Module 2). There are also several important faults offshore to the east of Marlborough. The Alpine Fault is the boundary between the Pacific crustal plate and the Australian plate. These faults take up some of the total displacement caused by plate collision, so the continuation of the Alpine Fault is less active here than further south. Pākihi Supergoup: 5 million years ago – present. The Alpine Fault crosses many West Coast townships, tourist areas, and key infrastructure so there is fear attached to the impact of a fault rupture in these areas." This is a classic exposure of the Alpine Fault. The Alpine Fault is called a strike slip or transform fault. Reverse and … The Alpine Fault extends as a nearly straight line through the length of the South Island. State of California. The Marlborough Fault System is a major sequence of faults in the upper South Island. Helpful. The California Geological Survey's interactive map allows users to identify the location and classification of faults throughout California. Turning inland, the Alpine Fault runs to a point near the Lewis Pass, travels northwards then frays into four main faults that extend to the east coast. In other words, movement will occur suddenly during an earthquake, rather than gradually. It is shown on the geologic map with triangular teeth pointing toward the upthrown side of the fault. A fault trace is also the line commonly plotted on geologic maps to represent a fault. 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