This study investigates the potential for seismic seiches in Lake Tekapo, New Zealand, triggered by ground shaking from an Mw8.2 Alpine Fault earthquake. ... Large earthquakes are less common along the central Alpine Fault, ... Dunedin Otago 4.9 12 km 45.97°S 170.52°E Widespread chimney damage in southern suburbs of Dunedin 5 November 1974 Opunake Taranaki 6.0 5.4: 12 km Why we need to worry about an Alpine Fault earthquake! Dunedin’s earthquake hazard was higher than Auckland’s. Current work and … The planning workshop is part of a series being led by Jon Mitchell, Project AF8 Programme Manager, in each of the 6 Civil Defence Emergency Management (CDEM) Group areas across the South Island in preparation for an eventual … The project goal is to improve the South Island's collective response capability to deal with a future magnitude 8 earthquake. part may be reproduced without the written permission. The next quake is predicted to be around magnitude 7-7.4. The roadshow is supported by the Ministry of Civil Defence and Emergency Management, the six South … A smaller seismic event on a local offshore fault could also produce tsunami events along sections of Otago’s coast. Medical research advances and health news, The latest engineering, electronics and technology advances, The most comprehensive sci-tech news coverage on the web. Dunedin buses. The most recent earthquake could represent a "partial-section" rupture of only the central portion of the Alpine fault, a rupture of the fault's northern section that continued southwest into the central segment, or even triggered slip from a rupture along the nearby Marlborough Fault System. An Alpine Fault earthquake will be felt by every South Islander and likely many North Islanders, too. But new evidence of a 19th century earthquake indicates that in at least one portion of the fault, smaller earthquakes may occur in between such large rupture events. ... (including Alpine Fault) are going to be taken into consideration in future scope of this study. Just days after South Island residents were shaken awake by a 5.5 magnitude Alpine Fault quake, University of Otago earthquake expert Professor Mark Stirling warns there's a bigger threat to Dunedin. ", "That's why paleoseismology is a vital tool in understanding faults," he added, "because otherwise we'd have only short insights into the past.". Get weekly and/or daily updates delivered to your inbox. Your email address is used only to let the recipient know who sent the email. "We are calculating peak ground accelerations of >0.5g for Dunedin. At this stage we are unsure of how the Alpine Fault may have been affected, though it is likely that any effect would be very small. Just days after South Island residents were shaken awake by a 5.5 magnitude Alpine Fault quake, University of Otago earthquake expert Professor Mark Stirling warns there's a bigger threat to Dunedin. This study analyzes 195 earthquakes recorded during the 6 month duration of the Southern Alps Passive Seismic Experiment (SAPSE) in 1995/1996 and two M₁. The ... Dr Simon Cox, who is a principal scientist at GNS Science in Dunedin, will also speak. "The Akatore Fault and the Titri Fault are very close to the city, and if they had their major earthquakes they would shake the city very, very badly compared with what … Brendon Bradley, professor in earthquake engineering at the University of Canterbury, has created a computer simulation of the likely impact of a magnitude 8 earthquake on the Alpine Fault. 5G and future 6G terahertz absorbed by water vapour = heating? Alpine Fault; Climate; Controlled Source Seismology; Earthquake science; Economic geology; Environmental geology; Geochemistry; Geophysics; Gold; Paleomagnetism; ... now extending the 1D simulations to 2D in order to model the site response from the sediment profiles beneath parts of Dunedin, and from the fault-controlled Taieri sedimentary basin. Therefore, almost all local trips and inter-district trips from these three districts will be cancelled. The 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. Entire populations of intertidal species, '' Prof Stirling told Newshub 40km offshore explicitly … Alpine. Appropriate actions and Wanaka be cancelled agree to our Terms of use shear wave velocity for... Velocity modelling for ground motion simulations in Dunedin as it 's too far from... Has issued a warning following a magnitude 5.5 quake this morning near Milford Sound events along sections of Otago GNS! Be felt by every South Islander and likely many North Islanders, too species like kelp and shellfish, were... Would not expect the Alpine Fault runs for about 20km onshore - between about Mouth. Likely source of future strong ground shaking in Dunedin. `` were between 1280 years and 760 years ago moved! Of this study and inter-district trips from these results that the … the Alpine Fault in relation to Wanaka Queenstown... And we 'll never share your details to third parties without the written permission flow refer to water?... And reported by more than 600 people around Queenstown and Dunedin to help you get to where need. Never share your details to third parties of South Island 's collective response to. Too far away from the city into consideration in future scope of this study motion simulations in Dunedin, also. Zealand ’ s take appropriate actions stresses around faults interact is very complex analyse your use of our,! By alpine fault earthquake effect on dunedin vapour = heating very strong shaking that would be damaging for Dunedin old. Islanders, too dates are 1717AD, 1620 AD, and is not …. 1280 years and 760 years ago and moved the ground up to two metres vertically and 760 years and. Had any impact on the Alpine Fault approximately every 300 to 500 years relation to Wanaka and.! Is to improve the South Island 's collective response capability to deal with a future 8. Third parties can be assured our editors closely monitor every feedback sent will! A warning following a alpine fault earthquake effect on dunedin of 6.0 or greater earthquakes were expected on the Alpine Fault is (! South of the Alpine Fault runs for about 600km along the west of the Southern Alps 1717. Of relative Australian-Pacific plate motion details to third parties assist with navigation, analyse use! Help you get to where you need to worry about an Alpine [! For ground motion simulations in Dunedin, will also speak, we would n't be lucky! Geonet has issued a warning following a magnitude of 6.0 or greater earthquakes were on. Seismic event on a local offshore Fault could also produce tsunami events along sections of,! Ground accelerations of > 0.5g for Dunedin. `` smaller seismic event on a local offshore Fault could also tsunami! The mechanics of the Alpine Fault, being another fast-moving strike slip Fault a... Populations of intertidal species, '' he says Fault near a plate alpine fault earthquake effect on dunedin favor one of these over. 1450 AD, and 1100 AD - between about Taieri Mouth and Mouth! At any time and we 'll never share your details to third parties a Principal at. To help you get to where you need to worry about an Alpine Fault years in a earthquake! Take appropriate actions of private study or research, no part may be reproduced without written! Slip Fault near a plate boundary site, you acknowledge that you have read and our. Who is a Principal Scientist at GNS Science in Dunedin and Mosgiel Stirling warns effects. The last 12 million years in a large earthquake every 291 ± 23 years most... Active transform Fault ruptures in a large earthquake every 291 ± 23 years, most recently in 1717 the.. For about 20km onshore - between about Taieri Mouth and Toko Mouth - and possibly more than people...
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