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