when will the alpine fault go off

The Southern Alps have been uplifted over 20 kilometres over 12 million years but erosion has kept their height below 4,000 metres. From there, the Alpine Fault runs along the western edge of the Southern Alps, before splitting into a set of smaller dextral strike-slip faults north of Arthur’s Pass, known as the Marlborough Fault System. The Alpine Fault runs 400km up the South Island, along the western edge of the Southern Alps. Seismologists regarded the past 30 to 40 years as a period of quiescence in New Zealand as there had been no big on-land earthquakes. The massive Alpine Fault is due for another big earthquake and scientists have been drawing up a scenario of what the devastation would look like. 0. The Alpine Fault travels 800 kilometres from Milford Sound to the Marlborough Sounds. "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 located in New Zeland. "The intensity of course depends on the type of ground you're standing on and how far away you are from the Alpine Fault. Since September, an international team of scientists has b een based on the West Coast drilling into the Alpine Fault - the on-land boundary between the Pacific and Australian tectonic plates. Recent research (published in 2012) by GNS Science has extended our knowledge of the Alpine fault earthquake record back through the past 8000 years. "I don't think the Alpine Fault will cause uplift in Marlborough; the land going up like it did in the Kaikōura earthquake," van Dissen said. In the North. How do you think you would be affected by a rupture of the Alpine Fault? 2017 is the 300th anniversary of the last major rupture on the 850-km long Alpine Fault. The investigation found the mean interval between large earthquakes on the fault is 330 years and two thirds of the … "When we think of earthquakes, our mind goes straight to shaking, straight to the panic we feel when the ground moves," Orchiston said. [Chapter Break] After their ground­breaking paper on the Alpine Fault, Willett was posted to Invercargill and Wellman to another war­time project at d’Urville Island. A number of outstanding problems remain in regard to the Alpine Fault, two of which are: Most New Zealanders alive today will still be alive when the Alpine Fault rips in … It passes offshore in South Westland (bottom left), and is responsible for … 2017 is the 300th anniversary of the last major rupture on the 850-km long Alpine Fault. The lack of a historical record for the Alpine Fault means that we must instead examine the geological record left by past ruptures. 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. As with many natural systems, there was a spread of intervals with the longest being about 510 years and the shortest about 140 years. This is based on how regularly it has ruptured in the past. The investigation found the mean interval between large earthquakes on the fault is 330 years and two thirds of the intervals were between 260 and 400 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. The length of the rupture will be … The glaciers and rivers have removed the rest of the material and spread it out across the lowland plains or onto the sea floor. 32 11. Alpine Fault Tours, Whataroa Picture: Touching the Alpine Fault! Image: LEARNZ. Image: NASA. The alpine fault earthquake will alter tectonic stress distribution, and other faultlines may rupture in the days or years following it. Alteration Along the Alpine Fault Helps Build Seismic Strain . 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. The Alpine Fault is believed to align with the Macquarie Fault Zone in the Puysegur Trench off the southwestern corner of the South Island. Scroll down to discover how! Recent research by GNS Science has extended our knowledge of the Alpine fault earthquake record back through the past 8,000 years. "For those of you who felt the earthquake in Kaikōura, those many minutes of shaking, this [the Alpine Fault earthquake] will feel similar for you in Marlborough.". Although the Alpine Fault seems so obvious today, but it was not recognised until 1941 by two … These include the Clarence, Awatere and Hope Faults, all of which take some of the seismic load off the northern part of the Alpine Fault and transfer it through Marlborough. The trenches, each of about 20m-long will allow the geologists to take photos and make detailed drawings of the recently deposited strata to a depth of 2m. Camp Glenorchy project manager Steve Hewland talks about the resilience factors of the newly-built camping ground near Queenstown. 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Motion on the fault is in a direction that plunges approximately 22°, indicating that the fault in … Milford Sound is the most likely epicentre for a magnitude-8 earthquake on the Alpine Fault. 20 years earlier, they had been in tourism in Fiordland NZ, taking international visitors on overnight cruises to see the fiords - and this will become relevant in a moment. Boat Tours in Whataroa; Bus Tours in Whataroa; Walking Tours in Whataroa Spot the fault. It’s the part of the active boundary between the Pacific and Australian tectonic plates where they intersect on land. 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 Otago University study said a 200m wide 'fault avoidance zone' should be created to prevent further development in the area. A south-to-north earthquake is most likely along the South Island's Alpine Fault. - Check out Tripadvisor members' 349 candid photos and videos of Alpine Fault Tours An earthquake on the Alpine Fault sweeps away old forest and creates large tracts of clear ground for new vegetation to spring up upon. Your News is the place for you to save content to read later from any device. Co-ordinated Planning and Partnerships Pay Off. 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. 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 scenarios were designed and developed as part of Project AF8, or Alpine Fault Magnitude 8, a partnership of all the Emergency Management Groups in the South Island. One major feature of the South Island of New Zealand is the Southern Alps, a mountain range caused by uplift along the Alpine Fault. The Southern Alps have been uplifted on the fault over the last 12 million years in a series of earthquakes. On the go and no time to finish that story right now? Spent a really interesting and completely unexpected morning on a private tour of the Alpine fault line. From there, the Alpine Fault runs along the western edge of the Southern Alps, before splitting into a set of smaller dextral strike-slip faults north of Arthur's Pass , known as the Marlborough Fault System . 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. There is no way of predicting exactly when an earthquake will occur. David B wrote a review Feb 2020. "The tsunami, in the Alpine Fault case, might be [caused by] submarine landslides being generated off the West Coast, and it will impact the West Coast. No matter where you were in the South Island, you would feel at least a magnitude-4 or 5 quake, she said. Even the trees that have survived an earthquake will bear the scars of the shaking, in the form of periods of poor growth recorded in their rings. Movement along this fault has uplifted the Southern Alps and produced large earthquakes. The other options are a north-to-south tear starting in Greymouth and heading southwest, or an epicentre near Fox Glacier, heading up and down the fault. 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. The Alpine Fault is believed to align with the Macquarie Fault Zone in the Puysegur Trench off the southwestern corner of the South Island. Glacier Country Scenic Flights; White Heron Sanctuary Tours; Petr Hlavacek Gallery; Experience Fox Glacier; Lake Mapourika; Church of Our Lady of the Alps; Church of St. James; Hukawai Lodge; Hukawai Art Gallery; Tours in Whataroa. Fault line . Selected filters. 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. ... Impacts of an Alpine Fault Quake . The geological record shows the Alpine Fault ruptures, on average, just under every 300 years. Whataroa Tourism; Whataroa Hotels; Whataroa Bed and Breakfast; Whataroa Holiday Rentals; Whataroa Packages; Flights to Whataroa; Whataroa Restaurants; Whataroa Attractions The Alpine Fault runs for about 600km up the spine of the South Island, and is one of the world’s major geological features. Posted June 9, 2020. Imagine what a magnitude-8 earthquake would do. By Alice Lake-Hammond. Affect a much larger area than earthquakes such as the Darfield earthquake. There were 4 of us on this tour and all enjoyed learning more about the geology of such an impressive landscape. Updating list... 20 - 25 of 26 reviews. Athy 19 contributions 4 helpful votes. The seismicity rate of the Alpine fault is low but comparable to locked sections of the San Andreas fault, with large earthquakes expected. Movement along the Alpine Fault has uplifted the Southern Alps. The Darfield earthquake had a magnitude of M7.1. The study aims to inform locals and tourists of the significant risk to the area should the Alpine faultline go off. Dr Caroline Orchiston explains the Alpine Fault and the damage the earthquake will have. "What it [the figures] also tells us is that these events have been popping off through time and there's really no reason for them to stop happening.". Movement along this fault has uplifted the Southern Alps and caused large earthquakes. Awesome experience. 8.2b). The Alpine Fault, which runs about 600km up the western side of the South Island between Milford Sound and Marlborough, poses one of the biggest natural threats to New Zealand - especially the West Coast, Canterbury and Otago. You can pick out the line of the Alpine Fault on this satellite image of the South Island. From there, the Alpine Fault runs along the western edge of the Southern Alps, before splitting into a set of smaller dextral strike-slip faults north of Arthur's Pass, known as the Marlborough Fault System. In the last 12 million years the Southern Alps have been uplifted by an amazing 20 kilometres, but erosion keeps their height below 4000m. Kiwis needed to be concerned about an Alpine Fault quake, as it would likely "happen in the lifetime of many New Zealanders", Orchiston said. Date of experience: November 2020. A project set to drill 1.3 kilometres into the Alpine Fault has been called off 400 metres shy of its goal. 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 fault mover 30mm a year! Can't find Fault. Helpful. The Alpine Fault is believed to align with the Macquarie Fault Zone in the Puysegur Trench off the southwestern corner of the South Island. In between earthquakes, the Alpine Fault is locked. Seismicity decreases north of Bruce Bay at the Alpine fault and within a triangular region along the Alpine fault located between the Hope and Porters Pass fault zones. Photo credit: Project AF8 The Alpine Fault runs for about 600km up the spine of the South Island, and is one of the world’s major geological features. Less certain is where the megaquake will hit, but the most likely is a south-to-north quake centred at Milford Sound, with intensity-7, 6 and 5 quakes rippling up the South Island. Whataroa Tourism; Whataroa Hotels; Bed and Breakfast Whataroa; Whataroa Holiday Rentals; Flights to Whataroa; Whataroa Restaurants; Whataroa Attractions; Whataroa Travel Forum This fault has ruptured four times in the past 900 years, each time producing an earthquake of about magnitude 8. It forms a boundary between the Pacific Plate and the Indo-Australian Plate . Alpine Fault Tours began in 2012 when Gray and Vickie Eatwell bought a farm next to the natural exposure of the Alpine Fault, at Gaunt Creek, near Whataroa in South Westland, New Zealand. The team developed its co-ordinated response discussions around a south-to-north earthquake as it was most likely, she said. The rupture will produce one of the biggest earthquakes since European settlement of New Zealand, and it will have a major impact on the lives of many people. You will visit Franz Josef which sits above the Alpine Fault on the Geohazards virtual field trip. The Southern Alps have been formed over millennia by upthrust from successive earthquakes on the Alpine Fault. The Alpine Fault is believed to align with the Macquarie Fault Zone in the Puysegur Trench off the southwestern corner of the South Island. The Alpine Fault marks the boundary of the Pacific and Australian Plates. 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. Scientists believe the Alpine Fault has a high probability (estimated at 30%) of rupturing in the next 50 years. During the Eo‐Oligocene, extensional oblique‐slip (transtension) on these fault systems led to the subsidence and final submergence of Fiordland. This year has continued our recent run of declared states of emergency around the country with what will be the largest All of Government response seen in New Zealand probably since the last world … This NASA satellite image of the South Island shows the Alpine Fault as a line along the western edge of the Southern Alps. 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. One major geographic feature of the South Island of New Zealand is the Southern Alps, a mountain range caused by tectonic uplift along the Alpine Fault. This fault has ruptured four times in the past 900 years, each time producing an earthquake of about magnitude 8. It is a dominant feature of the South Island. Boat Tours in Whataroa; Bus Tours in Whataroa; Walking Tours in Whataroa "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.". Glacier Country Scenic Flights; White Heron Sanctuary Tours; Petr Hlavacek Gallery; Experience Fox Glacier; Lake Mapourika; Church of Our Lady of the Alps; Church of St. James; Hukawai Lodge; Hukawai Art Gallery; Tours in Whataroa. From there, the Alpine Fault runs along the western edge of the Southern Alps, then splits into three parallel faults north of Arthur's Pass , merging into the Kermadec-Tonga Subduction Zone in the Hikurangi Trench off the coast of the North Island. Elizabeth, our tour guide, was very knowledgeable and enthusiastic showing off this area of NZ and explaining how the tectonic plates work. The length of the rupture will be … Reviewed 17 December 2016 via mobile . We've known about the Alpine Fault for around 80 years. This fault has ruptured four times in the past 900 years, each time producing an earthquake of about magnitude 8. This fault has ruptured four times in the past 900 years, each time producing an earthquake of about magnitude 8. Forming the western edge of the Southern Alps, it is clearly visible from space. Alpine orogeny, mountain-building event that affected a broad segment of southern Europe and the Mediterranean region during the Paleogene and Neogene periods (65.5 million to 2.6 million years ago).The Alpine orogeny produced intense metamorphism of preexisting rocks, crumpling of rock strata, and uplift accompanied by both normal and thrust faulting. Approximate rupture dates are 1717AD, 1620 AD, 1450 AD, and 1100 AD. "It was scientifically credible, but also it provided probably the most significant test for Civil Defence around the South Island," Orchiston said. In Newsletter, Response Planning. "Marlborough has, tsunami-wise, more to be concerned about from the Hikurangi Trench off the east coast of the North Island, which poses quite a threat.". Share. Filter. This demonstration allows you to go on a virtual field trip along the Alpine Fault and see some of the key outcrops. * Alpine Fault moves more than any other fault in the world * Alpine Fault spreads across South Island, researchers say * When, not if: Alpine fault could cause 8 … Home » Co-ordinated Planning and Partnerships Pay Off . READ MORE: * Preparing for the big one on the Alpine Fault * Team granted funding to plan response for Alpine Fault megaquake * Quake research a good reminder. 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. PHOTO: PROJECTAF8.CO.NZ “What we know about the Alpine Fault is that it tends to produce big earthquakes, roughly every 300 years,” Dr Orchiston said. A graphic shows an indicative line of the Alpine Fault in relation to Wanaka and Queenstown. Image: LEARNZ. 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. Studies at Alpine Fault excavation sites showed a large earthquake occurred on the fault every 300 years or so, with the last one occurring in 1717. How often does the Alpine Fault rupture? 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. The Bank of New Zealand has received a warning from the Commerce Commission over its likely failure to meet responsible lending requirements … The Alpine Fault runs for over 800km up the spine of the South Island. 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