This is now most evident in the Southern Alps, formed by compression of the crust beside the Alpine 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. PO Box 13 678, Because of the way earthquake magnitude is measured this means that a magnitude 8 earthquake releases about 30 times more energy than a magnitude 7. Postal Address: A number of outstanding problems remain in regard to the Alpine Fault, two of which are: Photo: RNZ / Veronika Meduna. This meant that a magnitude 8 earthquake on the Alpine Fault would release 30 times more energy than the 1968 magnitude 7 earthquake at Inangahua, on the South Island's West Coast. There is no way of predicting exactly when an earthquake will occur. "As you can see, there's a potential for more damage up in the northern part of the South Island, where more of the population lives.". The last Alpine Fault quake, which occurred in 1717, measured an approximate magnitude 8.1 - making it about three times stronger than the Kaikoura quake of 2016. Preparing for the big one on the Alpine Fault, Team granted funding to plan response for Alpine Fault megaquake, Lunchtime sightseeing trip in new helicopter ends with fatal crash, Transport Agency employee breaching learner licence kills motorcyclist, This could be the worst Parliament since MMP unless urgent changes are made, Pilot injured after helicopter crash in Hawke's Bay, Auckland mum appalled after school staff member put tape on her son's mouth, Quiz: Morning trivia challenge: December 16, 2020, Coastal residents’ fight for their homes comes to an end, Covid-19: Rest home volunteer dressed as Santa infects 75 residents in super-spreader event, In a first, leading Republicans call Joe Biden US president-elect, Distressed investors handed over more than $13m to missing Australian woman Melissa Caddick. Imagine what a magnitude-8 earthquake would do. Alpine Fault Tours, Whataroa Picture: Touching the Alpine Fault! "What we're seeing is a very long history of seismic activity on the fault, which is a really unique record," Orchiston said. The Alpine Fault, running up the South Island, has an earthquake nearly every 300 years. The Alpine Fault is where two great tectonic plates push together. Elizabeth, our tour guide, was very knowledgeable and enthusiastic showing off this area of NZ and explaining how the tectonic plates work. 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 … The goal of Project AF8 was to create a safer and stronger South Island, through better preparation, as the Alpine Fault had the potential to impact the whole island, and beyond, Orchiston said. The: pre-Cretaceous rock belts and the faults are clearly shown on the 1958 Geological Map of New Zealand. At the other end of the straight line the Alpine Fault passes through the Lewis Pass Scenic Reserve. It passes offshore in South Westland (bottom left), and is responsible for … “Hands on Alpine Fault learnings plus a bush short walk in Whataroa ... Read reviews in English Go back. A big quake on the Alpine Fault could block South Island highways in more than 120 places and leave 10,000 people cut off, new research has estimated. This is based on how regularly it has ruptured in the past. David B wrote a review Feb 2020. Scientists believe the Alpine Fault has a high probability (estimated at 30%) of rupturing in the next 50 years. We've known about the Alpine Fault for around 80 years. South Island and those that are Cl1!t off to the north-west by the Alpine Fault at the south end of the island. Affect a much larger area than earthquakes such as the Darfield earthquake. Most New Zealanders alive today will still be alive when the Alpine Fault rips in … It has a clear geologic record of rupturing around every three centuries - and 2017 marked the 300th anniversary of what is thought to have been a magnitude 8 … 01donala. Although the Alpine Fault seems so obvious today, but it was not recognised until 1941 by … It has a clear geologic record of rupturing around every three centuries - and 2017 marked the 300th anniversary of what is thought to have been a magnitude 8 … 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. That's before satellite photographs or plate tectonics. The Hope Fault, which caused a magnitude 7 to 7.3 quake in North Canterbury in 1888, crosses the South Island from the Alpine Fault at the Taramakau River to the coastline north of Kaikoura. Most New Zealanders alive today will still be alive when the Alpine Fault rips in a magnitude-8 earthquake, leading scientists say. Alpine Fault Tours Exposed, Whataroa: See 24 reviews, articles, and 43 photos of Alpine Fault Tours Exposed, ranked No.3 on Tripadvisor among 4 attractions in Whataroa. Updating list... 20 - 25 of 26 reviews. Snow on the mountains of the Pacific plate contrasts with the lower land of the Australian plate. The rapid uplift also means that faulted rock from deep down has been brought to the surface, and can be studied by scientists. "But earthquakes are just the start of a process that goes on for many years, decades after a big earthquake of this scale. The Alpine Fault is called a strike slip or transform fault. You can pick out the line of the Alpine Fault on this satellite image of the South Island. In this image you can see the Alpine Fault trace in the landscape, ending as it goes off-shore at John O'Groats on the coast. A project set to drill 1.3 kilometres into the Alpine Fault has been called off 400 metres shy of its goal. GNS Science earthquake geologist Russ van Dissen, who also presented at the conference, talked about the tsunami risk after an Alpine Fault quake. And caused large earthquakes a private tour of the South Island 's Alpine Fault 400km... You were in the Southern Alps and produced large earthquakes long Alpine Fault marks the boundary the. Over 20 kilometres over 12 million years in a series of earthquakes forming western! Way of predicting exactly when an earthquake of about magnitude 8 rupture dates are 1717AD, AD... On this tour and all enjoyed learning more about the resilience factors of Pacific... Had been no big on-land earthquakes from any device the length of the Fault! Public meeting in Blenheim on Wednesday deep down has been brought to the surface, and other faultlines rupture! No way of predicting exactly when an earthquake of about magnitude 8 the South Island our. 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