Can't find Fault. The alpine fault earthquake will alter tectonic stress distribution, and other faultlines may rupture in the days or years following it. 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. 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. Arrows mark a point near the base of the scarp. How often does the Alpine Fault rupture? It is the line along which the Australian and Pacific tectonic plates are being pushed together. Figure 4 Map of the Alpine Fault in West Coast region and the data sources used in this mapping study (shown by colour). 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. Helpful. Thanks for rating! This demonstration allows you to go on a virtual field trip along the Alpine Fault and see some of the key outcrops. Alpine Fault virtual field trip. 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 … Most of the movement along the fault is horizontal (sideways), but there is also a vertical component. The Alpine Fault then runs the length of the South Island just west of the Southern Alps to near Lewis Pass in the … Dip-slip faults Normal faults in Spain, between which … 1990) to 071 o at a rate of 39 mm yr-1 (De Mets et. This fault has ruptured four times in the past 900 years, each time producing an earthquake of about magnitude 8. Movement occurs during very large earthquakes approximately every 300 years, with the last one happening 300 years ago in 1717AD. 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 California Geological Survey's interactive map allows users to identify the location and classification of faults throughout California. 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. 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. © GNS Science 2017, version 3.2.4.197 created 20190802-1555, Alpine Fault at Gaunt Creek, J.Thomson / GNS Science, Deep Fault Drilling Project Observatory container, J.Thomson / GNS Science, Information panel at Gaunt Creek, J.Thomson / GNS Science, The top of the Australian Plate seen from above Gaunt Creek, J.Thomson / GNS Science, Pointing out the Alpine Fault at Gaunt Creek, J.Thomson / GNS Science, Alpine Fault cataclasite at Gaunt Creek, J.Thomson / GNS Science, Pointing at the fault. 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 … The Alpine Fault is overdue for an earthquake that could reshape the South Island, scientists say. Most of New Zealand's major faults are similar in this respect. 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. … Fault ruptures (earthquakes) have displaced river terraces that cross the fault. The Alpine Fault extends as a nearly straight line through the length of the South Island. 0/5. 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). This is a commercial tour run by the local landowner, and visits must be organised in advance. Movement occurs during very large earthquakes approximately every 300 years, with the last one happening 300 years ago in 1717AD. Ground shaking will occur from ruptures on these fault lines. 3 Appendix 1, WCRC Natural Hazards Resource Kit, Revised February 2012, M Trayes The Alpine Fault. It has been crushed and altered (metamorphosed) at depth, and gradually dragged to the surface by uplift of the Pacific Plate. The Alpine Fault marks the boundary of the Pacific and Australian Plates. The 2012 paper suggests simply that … State of California. The uplift to the southeast of the fault is due to an element of convergence between … New research from Victoria University of Wellington could prompt a shift in thinking about the South Island’s Alpine Fault.. Beban GNS Science Consultancy Report 2011/217 September 2011 . The Alpine Fault. Alpine Fault identifies earthquakes in the years 1717, 1620, and 1430, with estimated moment magnitudes of 7.9±0.3, 7.6±0.3, and 7.9±0.4, respectively (Sutherland et al., 2007). Most of the movement along the fault is horizontal (sideways), but there is also a vertical component. It forms a transform boundary between the Pacific Plate and the Indo-Australian Plate. This is a classic exposure of the Alpine Fault. The Wairau, Awatere and Clarence faults are an extension of the Alpine Fault, as are a number of other active faults of limited extent. Several major faults run alongside and within this system, including the Wellington Fault. The Alpine Fault is clearly visible from space, running along the western edge of the Southern Alps from the southwestern coast towards the northeastern corner of the South Island. 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. The Alpine Fault is called a strike slip or transform fault. 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. The Marlborough Fault System is a major sequence of faults in the upper South Island. At its northern end it divides into several branches that are known as the Marlborough Fault System. Recent research by GNS Science has extended our … The synthetic broadband strong-motion records are produced for both a possible large Alpine Fault earthquake (Mw8.2) and a large Hope Fault earthquake (Mw7.1) at sites in a number of selected population centres that may be strongly affected. J.Thomson / GNS, Alpine Fault is at the base of the greenish grey cataclasite layer, J.Thomson / GNS Science. 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 . Latitude and Longitude of Alpine. 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. … Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. 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! Visits involve a bus ride along a farm track and a short walk with a river crossing to reach the outcrop. Ground shaking will occur from ruptures on these fault lines. The Alpine Fault is one of the world’s major geological features. Read more. The country lies on the Ring of Fire which means it is a hotspot for earthquakes. Latitude of Alpine: 32.8350521: Longitude of Alpine-116.7664109: Rate our service for the coordinates of Alpine. You are at the foot of the range-front of the Southern Alps which are close by to the east of where you are standing. 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 … A wall has been built across the fault scarp to check for movement. 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. Ground motion modelling of an Alpine fault earthquake and a Hope fault earthquake for main South Island cities (NZ) (Holden, 2011) The large September 2010 and the tragic February 2011 Canterbury earthquakes caused widespread damage by ground shaking and sand liquefaction in … Date of experience: November 2020. Contact http://alpinefaulttours.co.nz/ (or phone 0800556244) to book a trip that will depart from Whataroa. KML (Google Earth-type) files and GIS shape files are also available for download from the site. 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? This is a classic exposure of the Alpine Fault. Four windows A to D have been created to show areas of detailed active GNS Science Consultancy Report 2009/18 i . The Alpine Fault. 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. Rectangle indicates area shown in Fig. The Australian plate is sliding horizontally towards the north-east, at the same time as the Pacific plate is pushing up, forming the … Share. These faults take up some of the total displacement caused by plate collision, so the continuation of the … Map of the New Zealand region, showing the land area and bathymetry of the surrounding continental shelf. 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. High risk faults in New Zealand include the Alpine Fault, Wairararapa Fault, Wellington Fault, and Napier Fault. Elizabeth, our tour guide, was very knowledgeable and enthusiastic showing off this area of NZ and explaining how the tectonic plates work. The South Island of New Zealand is divided along its length by the Australian-Paci˜c Plate bound-ary [Mortimer, 2017]. Here you will find the GPS coordinates and the longitude and latitude of Alpine. The Alpine Fault is the dominant structure defining the Australian-Pacific plate boundary in the South Island of New Zealand. A fault trace is also the line commonly plotted on geologic maps to represent a fault. Normally no particular hazard unless there is an Alpine Fault rupture! At its northern end it divides into several branches that are known as the Marlborough Fault System. The Alpine Fault last got seriously testy in 1717 or thereabouts and before that, in descending order, 1620, 1430 and 1100. Snow on the mountains of the Pacific plate contrasts with the lower land of the Australian plate. It is the line along which the Australian and Pacific tectonic plates are being pushed together. Map of the New Zealand region, showing the land area and bathymetry of the surrounding continental shelf. 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. allow individual streets to be identified in the map. 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. Alpine Fault. They have been pushed up by many and continued earthquakes occurring on the fault. The Alpine Fault is overdue for an earthquake that could reshape the South Island, scientists say. ), showing that the fault is stuck. 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. 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. Transform faults are also referred to as "conservative" plate boundaries, inasmuch as lithosphere is neither created nor destroyed. Alpine Fault damage zone Qfl fluvial channel and overbank deposits alluvial fan deposits Quaternary Qaf Tertiary Likely Mezosoic Paleozoic Lineament A B Figure 1 – A) Geologic Map of the Kaipo Slips B) Geologic cross-section of bedrock units exposed in the Kaipo Slips. This greenish grey clay is known as cataclasite. The Southern Alps have been uplifted on the fault over the last 12 million years in a series of earthquakes. It forms the sharp line separating the snow-covered Southern Alps in the east from the low coastal plain bordering the … 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. Athy 19 contributions 4 helpful votes. The average slip rates in the fault's central region are abo… Through the South … It is also a very active fault, … The Alpine Fault runs for about 600km up the spine of the South Island, and is one of the world’s major geological features. You can actually stand with each foot on a separate tectonic plate! Map of Zealandia Continent. A reverse fault (if steeply dipping) or thrust fault (if shallowly dipping) is a fault where the fault plane dips toward the upthrown block. Langridge J.G. This video describes the Deep Fault Drilling Project DFDP: https://www.youtube.com/watch?v=n9ZPq5FRmnE. Outstanding couple of hours discovering the Earthquake zone that is ripping New Zealand apart. A wall has been built across the fault scarp to check for movement. Alpine Fault The Alpine Fault is spectacularly marked out on satellite images by the western edge of the Southern Alps snowline. Many of these are documented in the literature and references to papers are presented in the descriptions. Map of the northern end of the Alpine Fault and Marlborough Fault System. Pākihi Supergoup: 5 million years ago – present. There are also several important faults offshore to the east of Marlborough. See below for contact information to organise a visit. Unless otherwise agreed in writing by GNS Science, GNS Science accepts no … A number of outstanding problems remain in regard to the Alpine Fault, two of which are: It’s the "on-land" boundary of the Pacific and Australian Plates. It is worth looking at the wall to see how it has stood the test of time. If you want to do something different and have a passing interest in geology, then this is a ‘must do’ tour. 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. 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. 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. Alpine Fault which give us some measure of what we might be in for when the predicted large event occurs. The Alpine Fault marks the boundary of the Pacific and Australian Plates. The Alpine Fault is one of the world's major plate boundaries and New Zealand's most hazardous earthquake-generating fault. 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. 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. 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. It runs as a single structure for over 500 km. The northern section of the Alpine Fault runs through this area. The Alpine Fault cuts obliquely across the South Island, forming the western edge of … There are aroung 20,000 earthquakes annually, most are small, but the country gets its share of big quakes too. Click here to use the California fault activity map. It forms a transform boundary between the Pacific Plate and the Indo-Australian Plate. The Maruia campsite and car park is about 5 km out of Springs Junction on SH 7 towards Lewis Pass. As you can see it has not been damaged due to any fault movement or gradual creep (as of April 2016! J.Thomson / GNS.Science, The surface trace of the Alpine Fault and an experimental concrete wall. In terms of the way the previous material has been set out in this resource, and because there is so much available about the Alpine Fault, it has been decided to treat material about the Alpine Fault separately as an appendix. The Alpine Fault cuts a fine line hundreds of kilometres through the western flank of the South Island. Figure 4 Map of the Alpine Fault in West Coast region and the data sources used in this mapping study (shown by colour). It is shown on the geologic map with triangular teeth pointing toward the upthrown side of the fault. Reverse and … A fault zone is a cluster of parallel faults. Spent a really interesting and completely unexpected morning on a private tour of the Alpine fault line. 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. UTM coordinates … 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. 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. The bus trip there and back also good fun. The Alpine Fault is the boundary between the Pacific crustal plate and the Australian plate. GPS-coordinates of Alpine: 32° 50' 6.188" N 116° 45' 59.079" W : UTM coordinates (WGS84) of Alpine. ©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. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Fault ruptures (earthquakes) have displaced river terraces that cross the fault. Here you can get right up close to the plate boundary fault that runs the length of the South Island. Through the South Island the Alpine Fault acts as a transfer of plate convergence to east facing subduction of the Australian plate beneath the Pacific plate, occurring south of New Zealand in the Puysegur trench. It forms a transform boundary between the Pacific Plate and the … Introduction: Although the Alpine Fault has the potential to cause catastrophic damage on the West Coast, and … 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. GPS-coordinates of Alpine. They normally last about 2 hours. There is an interactive map application to view the faults online and a separate database search function. 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. Earthquakes along the fault, and the associated earth movements, have formed the Southern Alps. However, most of the motion on the fault is strike-slip (side to side), with the Tasman district and West Coast moving North and Canterbury and Otagomoving South. It is the on-land boundary of the Pacific and Australian plates.But where exactly is it? There were 4 of us on this tour and all enjoyed learning more about the geology of such an impressive landscape. a!. The red line on this map shows our plate boundary (see Module 2). Motion on the fault within its central portion is … 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. Map of South Island showing Alpine Fault, distribution of major Late Quaternary faults (somewhat generalised) and current plate vector (after DeMets et al., 1994). Menu Contact Search In other words, movement will occur suddenly during an earthquake, rather than gradually. The area of volcanic activity is referred to as the Taupo Volcanic Zone (see map above). Whilst it ruptures mainly in a sideways direction, some uplift on its eastern side has given rise to the Southern Alps. South Island Faults. 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. You can pick out the line of the Alpine Fault on this satellite image of the South Island. Most of the movement along the fault is horizontal (sideways), but there is also a vertical component. There are also several important faults offshore to the east of Marlborough. Elizabeth is so … What is the Alpine Fault and why should we be concerned about it? Skip to Main Content. Well … However ... such as the Dead Sea Transform in the Middle East or the Alpine Fault in New Zealand. Contour line interval is 0.5 m. The Alpine Fault extends as a nearly straight line through the length of the South Island. 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 a geological fault, known as a right-lateral strike-slip fault, that runs almost the entire length of New Zealand's South Island. Whilst it ruptures mainly in a sideways direction, some uplift on its eastern side has given rise to the Southern Alps. Access is across private farmland, just south of Whataroa. 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. 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. David B wrote a review Feb 2020. 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. In places, such as above Jerry River (photograph above), it is marked by other geological features such as shutter ridges and pull-apart basins, or laterally displaces geographical features such as glacier moraines, sometimes by kilometres. 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 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. Movement along this fault has uplifted the Southern Alps and helped shape the South Island landscape we know today. It is the line along which the Australian and Pacific tectonic plates are being pushed together. The length of the rupture will be … Alpine Fault movement . 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. 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. of the Alpine Fault R.M. ALPINE FAULT: "An earthquake on the Alpine Fault in the near future would not be a big surprise." The effect of fluid differentials on an Alpine Fault earthquake is obviously significant but presently unquantified. The Marlborough Fault System is a major sequence of faults in the upper South Island. Because the Alpine fault begins so cleanly, Furlong believes it can tell us something about strike-slip faults in general. When you look at the outcrop, the most striking thing at first sight is the colour of the rock material along the fault. 0 ratings. Australian plates.But where exactly is it this area of NZ and explaining how the tectonic are. Area of NZ and explaining how the tectonic plates are being pushed together by! 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