what will happen if the alpine fault ruptures

what will happen if the alpine fault ruptures

Now, a team of scientists led by Professor John Townend of Victoria University of Wellington—Te Herenga Waka and Dr Caroline Holden of GNS Science aim to build a state-of-the-art, 3D picture of the ground shaking effects we could expect from future large earthquakes on the fault. The Darfield earthquake had a magnitude of M7.1. – Toilet paper and large rubbish bags for your emergency toilet. "When the Alpine Fault next ruptures, ... but the intensity and duration will ultimately depend on what happens on the fault." "This enables us to compute realistic ground-shaking in population centres and at other vulnerable locations in response to many more earthquake rupture scenarios than can be practicably studied using conventional approaches," Townend said. The San Andreas fault is overdue for a major earthquake also known as "The Big One." SIGNING UP IS FAST, EASY AND FREE (TAKES LESS THAN A MINUTE AND IT'S A FREE FORUM). WE ENCOURAGE YOU TO REGISTER, LET'S BUILD A GREAT COMMUNITY TOGETHER 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. Photo / Getty Images. University of Canterbury earthquake engineering Professor Brendon Bradley has used 3D modelling on New Zealand’s largest supercomputers to predict what a major earthquake on the Alpine Fault could feel like. In between earthquakes, the Alpine Fault is locked. UC PhD graduate Tom Robinson investigated what would happen in a magnitude 8.0 event on the Alpine Fault, which has about a one-in-three to one-in-four chance of occurring in the next 50 years. The next major rupture of the South Island's Alpine Fault will prove one of the largest - if not the biggest - that earthquakes Kiwis have ever experienced. Civil Defence recommends preparing essential emergency items, including: – Torch with spare batteries or a self-charging torch. Recent studies undertaken as part of the joint AF8 project have suggested a big quake could block South Island highways in more than 120 places, leave 10,000 people cut off, and cost the economy about $10b. Newshub staff. The Alpine Fault is expected to rupture within 50 years, a one-in-500 year event that will produce a devastating earthquake of a magnitude 8 or more. The Alpine Fault • Running about 600km up the spine of the South Island, the Alpine Fault is the on-land boundary of the Pacific and Australian tectonic plates. Each time the fault 'ruptures' it causes a quake around magnitude 8. “There are things we can do about that . Here's what experts say could happen when it hits the West Coast. The 600-kilometre fault has ruptured five times in the past 1100 years. "When the Alpine Fault next ruptures, it will produce seismic waves that propagate out in all directions," Townend said. 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. "When the Alpine Fault next ruptures, it will produce seismic waves that propagate out in all directions," Townend said. The extent of damage would depend on a number of factors, including the state of the land and how vulnerable it was to liquefaction. Bradley said emergency resources would be stretched if a major earthquake struck, and people could expect to “feel far more alone”. "The ground shaking we feel in different parts of the country during an earthquake is controlled by the size of the earthquake and aspects of how the fault is slipping but also by the geological structure the seismic waves encounter as they propagate over long distances and by the local geology right beneath our feet. Sorry, your blog cannot share posts by email. Techniques for extracting those signals from the noise recordings have been developed by members of the team and applied successfully to faults in California and Japan. Along the Alpine Fault, most areas will experience MM9 shaking, with pockets of MM10. "What we're interested in is, how do variations in the likely characteristics of the earthquake affect ground shaking at different locations in the country?". NASA Finds Keyhole-shaped Structure on Mars Too Difficult to Explain! When an earthquake happens the ground moves on one side of the fault relative to the other. 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Simulate millions of different earthquakes of what we record with seismometers is noise generated by ocean waves, Townend.

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