The western ramparts of New Zealand’s Southern Alps define a remarkable straight line visible from space – the trace of the Alpine Fault. The western ramparts of New Zealand’s Southern Alps define a remarkable straight line visible from space – the trace of the Alpine Fault. New Zealand geologists have been doing a sterling job of getting good information out to the public. The forces affecting them include a degree of compression or extension across them, creating dynamics known as transpression and transtension. The alpine fault is located in New Zeland. Another example of a transform boundary on land is the Alpine Fault of New Zealand. San Andreas Fault in California and Alpine Fault of New Zealand. A smaller number of transform faults cut continental lithosphere. Zealandia straddles the boundary between the Australian and Pacific plates (Figures 1 and 2).Today, relative plate motion in the southern part of the New Zealand region is essentially parallel to the Alpine Fault (∼38 mm/yr) with a small component of orthogonal convergence (<9 mm/yr), determined from GPS measurements [Beavan et al., 2002]. Some … The Southern Alps have been uplifted on the fault over the last 12 million years in a series of earthquakes. 8 terms. Red Africa Sea and The Red Sea. Add your answer and earn points. In this area the two plates slide past each other rather than one sinking below the other. 25 terms. Movement along this fault has uplifted the Southern Alps and produced large earthquakes. When you look at the transform fault diagram, imagine the double line as a divergent plate boundary and visualize which way the diverging plates would be moving. Alpine Fault of New Zealand and the San Andres Fault. A rupture along the full length of the fast-slipping Alpine Fault on New Zealand's South Island poses the largest potential seismic threat to the southern and central parts of the country. 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. No. The San Andreas fault of California is a prime example of a continental transform boundary; others are the North Anatolian fault of northern Turkey, the Alpine fault crossing New Zealand, the Dead Sea rift in the Middle East, the Queen Charlotte Islands fault off western Canada, and the Magellanes-Fagnano fault system of South America. Revealed: New Zealand's worst-affected areas after an Alpine Fault quake That quake measured an approximate magnitude 8.1, making it about three times stronger than the Kaikoura quake of 2016. Transform boundaries connect to perpendicular divergent (and sometimes convergent) boundaries on both ends, giving the overall appearance of zig-zags or staircases. Because of this, they are sometimes referred to as conservative boundaries or margins. Lessons 1 and 2 Weathering, Soil, and Erosion. The others are convergent boundaries (where plates collide) and divergent boundaries (where plates split apart). In this press release from New Zealand’s Science Media Centre, Professor Euan Smith of Victoria University in Wellington has done a great job of describing the quake (he thinks that we’re looking at sequential ruptures of the same fault) and the seismic hazard going forward. Subduction only happens north of Marlborough and south of Milford Sound. The Alpine Fault runs right through the heart of New Zealand's glacier county on the country's south island. Most transform faults are found in the ocean basin and connect offsets in the mid-ocean ridges. At the southern end of the South Island, the Australian Plate dives down (subducts) below the Pacific Plate whilst in the North Island the opposite situation occurs with the Pacific Plate being pushed under by the Australian Plate. Home » Teaching Plate Tectonics » Transform Boundaries. These two subduction areas are joined together by the Alpine Fault. In contrast the development of the Alpine Fault plate boundary system through New Zealand follows a different geodynamic path, and this transform boundary reflects an intermediate point in the overall transition of that Australia-Pacific plate boundary through New Zealand from an extensional to convergent boundary. Although they neither create nor destroy land, transform boundaries and strike-slip faults can create deep, shallow earthquakes. They are, however, much more complex than that. Onshore it extends 650 kilometres from Blenheim to Milford Sound. There is dextral strike-slip motion as well as convergence between the Australian and Pacific plates. Flickr Creative Commons Images. Does subduction happen along the whole plate boundary in New Zealand? 1 Introduction. 35 Agenda Transform plate boundary Processes at transform plate boundaries o Contraction and Extension in Transform Fault Systems. Some even connect mid-ocean ridges and subduction zones. Transform plate boundary faults accommodate high rates of strain and are capable of producing large (Mw>7.0) to great (Mw>8.0) earthquakes that pose significant seismic hazard. The fault mover 30mm a year! 18 terms. divergent examples. University of Otago – Geology Department, abgerufen am 21. In New Zealand, the Australian and Pacific Plates push against each other along a curving boundary. miles space. A rupture along the full length of the fast-slipping Alpine Fault on New Zealand’s South Island poses the largest potential seismic threat to the southern and central parts of the country. The San Andreas fault itself is just one thread in a 100-kilometer skein of faults making up the San Andreas fault zone. Study Resources. Transform Plate Boundary features. St Andreas Transform Fault Alpine Fault New Zealand The types of transform from BUSINESS 001 at University of Nairobi. Contributor: Hobart KingPublisher, Geology.com. The Alpine Fault is sometimes compared with California’s San Andreas Fault, being another fast-moving strike slip fault near a plate boundary. St Andreas Transform Fault Alpine Fault New Zealand The types of transform from BUSINESS 001 at University of Nairobi Onshore it extends 650 kilometres from Blenheim to Milford Sound. It is the longest active fault in New Zealand. There is no vertical movement—only horizontal. Map of Tectonic Plates and Their Boundaries, Reverse, Strike-Slip, Oblique, and Normal Faults, Introduction to Convergent Plate Boundaries, Learn About the History and Principles of Plate Tectonics, 5 Different Ways of Classifying Volcanoes. A smaller number connect mid-ocean ridges and subduction zones. The boundary between tectonic plates that are sliding past each other horizontally. An example of another transform boundary is the Alpine fault of New Zealand that is on land. Plates are not being added to a plate or broken from transform plate boundary. The Alpine Fault is the dominant structure defining the Australian-Pacific plate boundary in the South Island of New Zealand. ... Transform examples. New evidence of a 19th century earthquake on New Zealand's Alpine fault suggests that in at least one portion of the fault, smaller earthquakes may occur in between such large rupture events. A rupture along the full length of the fast-slipping Alpine Fault on New Zealand's South Island poses the largest potential seismic threat to the southern and central parts of the country. The Alpine Fault runs right through the heart of New Zealand's glacier county on the country's south island. B. San Andreas Fault C. Mid-Atlantic Ridge D. Himalayas 1 See answer tambiaoangelo21 is waiting for your help. Fleurdelys_Strongoli. The Alpine Fault runs for about 600km up the spine of the South Island, and is one of the world’s major geological features. It runs as a single structure for over 500 km. OTHER SETS BY THIS CREATOR. Some even connect mid-ocean ridges and subduction zones. Transform faults can be distinguished from the typical strike-slip faults because the sense of movement is in the opposite direction (see illustration). The fracture zone that forms a transform plate boundary is known as a transform fault. 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