An earthquake felt across the lower South Island over the weekend has reignited calls to prepare for the big Alpine Fault quake. The West Coast. ", Copyright © 2020 MediaWorks TV - All Rights Reserved, By subscribing you agree to our Terms of Access and Privacy Policy. Ten years ago, scientists only had evidence for three separate quakes on the fault - now they have seven recorded at multiple sites along the fault, and 27 in individual stretches. Free speech for those who don't threaten free speech, Medicinal Cannabis, Links and Information, ‘Governments need more history graduates’. The Alpine fault is under scrutiny at the moment with work underway to predict the next earthquake at the top of the South Island. Future Earthquake Predictions. Change ). A 2018 study says that a significant rupture in the Alpine Fault could lead to roads (particularly in or to the West Coast) being blocked for months, as with the 2016 Kaikoura earthquake, with problems in supplying towns and evacuating tourists. View large Download slide. One is short – days to weeks. Crux has published the media release below and a link to the full document but we recommend that you watch the introductory video first. Movement along this fault has uplifted the Southern Alps and produced large earthquakes. You can learn more about the AF8 project here. It has ruptured four times in the last 900 years, resulting in earthquakes of around magnitude 8, and is now considered highly probable to go again in the next 50 years. They were able to narrow down the timing of the last big one to 1717 by looking at tree ring patterns. It’s about 30 years past the ‘average’ period of time in which a major 7.8-8.0 quake occurs. South Island plan for the next Alpine Fault quake. In the News | Published: 11 September 2018 11 February 2019. Source: 1 NEWS . I could give you the papers behind the chart and a few more links . … The Alpine Fault runs 400km up the South Island, along the western edge of the Southern Alps. May 16,2018; Here is the complete series of videos which have been produced by the AF8 Project. Nature Geoscience, 2018; 12 (1): 69 DOI: 10.1038/s41561-018-0272-8 Bertrand Rouet-Leduc, Claudia Hulbert, Paul A. Johnson. Tuesday 11 September 2018 3:12pm. The Structural Geology of the Alpine Fault . Same thing happened with the Kaikoura quakes, but I kept refreshing the page every minute – never seen anything like it before. Change ), You are commenting using your Facebook account. The 300-year anniversary of the last time the Alpine Fault ruptured has been marked with a special issue of the New Zealand Journal of Geology and Geophysics. Share on Twitter; Share on Facebook; Share via email; Share on Reddit; Share on Linked In ; Georgina McLean, Senior Digital Journalist. … Enter your email address to follow this blog and receive notifications of new posts by email. The global median temperature gradient in monitoring boreholes >500 m deep is 30°C/km, and only 1% of boreholes globally have a temperature gradient >80°C/km. Generally the fault has a simple straight trace, striking ca. The spine of the South Island’s most significant earthquake risk, the Alpine Fault, runs right through the Wakatipu. Stuff has the latest information on this: Videos show devastating impact across South Island if Alpine Fault ruptures. Possibly one feature of our risk is that the Pacific plate is schist to greywache (further from the fault). The Alpine Fault is a 800-long plate boundary fault that runs down the western side of the Southern Alps, and presents a significant seismic hazard for New Zealand. The Alpine Fault runs almost the entire length of the South Island. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. 16th May 2019 - New Zealand Government delivers strategy for sustainable tourism growth. I guess sooner or later they will get something right, I am hoping its the report I saw last week about going into a cooling period because of the rapid decline in sun activity then I can sit in my armchair in 40 years time look back and chuckle. Why do people believe in a non-existent Abrahamic God? The videos are intended to both warn and educate our community about the overdue Alpine Fault earthquake which is expected to be in the magnitude 8 range. Gee mention climate change and Griff appears out of nowhere armed with pretty charts albeit meaningless ones but I appreciate the effort. Last year marked the 300th anniversary of the last time it ruptured, moving the south-eastern side about eight metres relative to the north-western side in a matter of seconds. Here, it was like sitting on an overloaded washing machine on the spin cycle. Lets just pretend scary things cant happen so Dave will not get frightened to much ….EH. ( Log Out / Eric Leigh-Pink says: 21 Feb 2018 at 10:31 AM. The length of the rupture will be up to 400 km, eg. This image clearly shows the fault running up the West Coast, where the Australian plate dives under and drives up the Southern Alps which line along the rising edge of the Pacific Plate. Image: The Alpine fault runs to the east (left) of the snowcapped ridge of the South Island alps. The last time was in 1717. Yess Dave science is a hoax. The Alpine Fault is overdue for an earthquake that could reshape the South Island, scientists say. 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. "There will be a similar earthquake soon... Whatever we can learn about this fault and how it moves is, to some extent, helping us understand and prepare for the next great earthquake.". The last major earthquake on the Alpine Fault occurred 295 years ago. And being on the boundary of the Pacific and Australia tectonic plates, it will happen again. I know actually finding out about reality gives you RWNJ’s cognitive dissonance so I did not bother. Reply. Wouldn’t want to be below in a big earthquake. Project Alpine Fault Magnitude 8 (AF8) released a series of videos on Wednesday, warning there’s compelling geological evidence to show it produces a significant earthquake of magnitude eight or greater every 300 years on average. From News Extras. The last time this happened was 301 years ago. This is a few years old but is a good look at plate tectonics in New Zealand: Dunedin is about as far as you can get in the South Island from the fault but when the big one strikes it is certain to be felt here (we feel larger Fiordland earthquakes as well as the bigger Christchurch quakes) and it is likely to have major effects across the South Island, and also in the lower North Island. Plato’s Theory of Forms similar Torres Islanders’ beliefs, A Christian reconsiders the Resurrection of Christ, Science versus ‘populist voice’ on criminal justice, Little change in latest 1 News/Colmar Brunton poll, Claim that Peters was briefed on NZ First Foundation operations, Long campaign but still a fairly predictable outcome, Locked Up in New Zealand - Days of Covid-19 Lockdown — Estralians. Video simulations demonstrate widespread destruction across the South Island if New Zealand’s most dangerous fault line ruptures, and there’s evidence the country is due for another big one. The Alpine Fault forms part of the on-land Pacific-Australian plate boundary. That was despite scientists warning that the ground some buildings sit on could be displaced 8m horizontally – and 1.5m vertically – in the next Alpine Fault quake. Deluded Dave. The special issue was due to coincide with the 300th anniversary, but research into the Kaikoura quake - one of the most complex ever recorded - took priority. An Alpine Fault earthquake will likely rupture a larger fault length (several hundreds of kilometres rather than several tens of kilometres) over a longer period of time (100s of seconds rather than tens of seconds) and affect a much larger area than the Darfield earthquake. Bugger being a train driver on the Midland line. The New Zealand Journal of Geology and Geophysics has published a special issue on the Alpine Fault, which runs the length of the South Island. 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