alpine fault simulation

The synthetic records show that ground motion accelerations in Greymouth and Hokitika are expected to exceed 20%g and 50%g respectively during an Alpine fault earthquake, while ground motions in Christchurch are expected to be moderate, with peak ground accelerations (PGAs) of 8%g expected from an Alpine event and 6%g from a Hope fault event. We computed the ground motion for generic rock sites in Christchurch. Find a local Authorised Alpine Specialist Dealer in your area. (2000) and Mai et al. The Alpine Fault ruptures roughly every 300 years. / Ground motion simulations Découvrir Rencontrez nos conseillers Alpine RRG Découvrir mon centre Alpine RRG « J’ai choisi le nom Alpine car cet adjectif représente pour moi le plaisir de conduire sur les routes de montagne » Jean Rédélé, fondateur de la marque Alpine. In this study, instead of using GMPE, we carry out synthetic broadband simulations to derive synthetic strong-motion records. In this study, instead of using GMPE, we carry out synthetic broadband simulations to derive synthetic strong-motion records. (2000) and Mai et al. Figure 14 The NS component of the synthetic Alpine fault rock site acceleration time history in (a), and soil surface acceleration time history in (b). As suggested by the source panel, it ruptures unilaterally from south to north with a rupture velocity of 2km/s. The source is also characterized by tapered slip down to zero meter up to the surface and down to the depth of 12km. The model is 500 by 12 km long, striking 52 degrees, dipping 45 degrees and with a rake angle of 173 degrees. The Alpine Fault is a geological fault, specifically a right-lateral strike-slip fault, that runs almost the entire length of New Zealand’s South Island. Fault Valving and Pore Pressure Evolution in Simulations of Earthquake Sequences and Aseismic Slip Weiqiang Zhu1, Kali L. Allison1,2, Eric M. Dunham1,3, and Yuyun Yang3 1Department of Geophysics, Stanford University 2Department of Geology, University of Maryland 3Institute for Computational and Mathematical Engineering, Stanford University Abstract Fault-zone - fault line photos et images de collection. Alpine Fault heterogeneous slip model scenario employing RUPGEN toolkit developed by Mai et al. These four short videos explain why we are taking the Alpine Fault so seriously and help you understand how you can be prepared for the disruption to normal life that a severe earthquake will cause. Download the latest software for your system or device. Ensure your Alpine product is covered by our limited warranty* Register. This fault has ruptured four times in the past 900 years, each time producing an earthquake of about magnitude 8. Such simulations can provide very useful alternative estimates of possible ground motions from large faults for major population centres. As such, they account for path effects incurred during propagation of the waves from the earthquake to the receiver site. The last time was in 1717. Recent research (published … Peak horizontal ground velocities (m/s) over the South Island for an Alpine Fault rupture scenario. Project AF8 Steering Group chair Angus McKay says the next research focus is creating a more in depth plan of how to help those people who will be worse affected. (2002). Future Alpine A110 Cabriolet (2019) – Pour espérer concurrencer Porsche, Alpine se doit de développer sa gamme.Ce devrait être chose faite avec l’arrivée prochaine d’un modèle découvrable. The large September 2010 and the tragic February 2011 Canterbury earthquakes caused widespread damage by ground shaking and sand liquefaction in the Canterbury region. A major problem of all GMPEs, including even the latest GMPEs from the next generation attenuation (NGA), for example, Abrahamson and Silva (2008), is their very large variability in ground motion predictions for large and great earthquakes. The Australian plate is sliding horizontally towards the north-east, at the same time as the Pacific plate is pushing up, forming the Southern Alps. Read more. The duration of shaking is expected to last over 3 minutes for an Alpine Fault earthquake and at least 20 seconds for a Hope fault earthquake. www.resorgs.org.nz. Plongez dans l’univers Alpine au sein de nos centres Alpine RRG. She says the more people prepare for such an event the easier life will be after it happens. / Natural Hazards and Risks Milford Sound will be ruined by an earthquake on the Alpine Fault. Pure. A 400 km rupture of the fault is expected to happen within our lifetime, which will have a broad impact on much of the South Island's critical infrastructure, Project AF8 lead scientist Dr Caroline Orchiston says. 2 Frictional properties and characteristic length for earthquake nucleation and hydraulic diffusion. faille de san andreas - fault line photos et images de collection. The simulation is part of a series of videos created by Project AF8 so people can better understand and be prepared for such a event. Extreme peak velocities of 3.8m/s are modelled in the Haast region. Credits: Project Alpine Fault Magnitude 8 (AF8). Based on general equilibrium theory adapted for business disruption response and equilibrium-seeking dynamics. Nature Communications , 2020; 11 (1) DOI: 10.1038/s41467-020-18598-z Cite This Page : The duration of shaking is expected to last over 3 minutes for an Alpine fault earthquake and at least 20 seconds for a Hope fault earthquake. Calculations for synthetic seismograms are based on a validated algorithm for large crustal earthquakes. Austria - Österreich; Belgium - Belgique. The Alpine Fault is called a strike slip or transform fault. In this preliminary study, we chose conservative values for all source parameters based on our current understanding of large crustal earthquake source mechanics. Search. By using conservative parameters, we are attempting to model maximum possible ground shaking intensity. Flamish - Flamand; French - Français; France - France ; Germany - Deutschland; Italy - Italia; Luxembourg - Luxembourg; Poland - … Just-released videos have shown what would happen in the event of a major quake along the South Island's big-risk Alpine Fault. Fault valving and pore pressure evolution in simulations of earthquake sequences and aseismic slip. What is MERIT? Dealer Locator. In the simulation, the inset in (C) shows the fault geometry and injection. AF8 [Alpine Fault magnitude 8] is a collaborative effort to save lives by planning and preparing a coordinated response across the South Island after a severe earthquake on the Alpine Fault. In general the response spectra from the simulations exceed the spectra derived from GMPE except for spectral periods between 0.5 and 1.2 seconds. à partir de 57 000 € CONFIGUREZ CETTE VERSION. 1 / 5. Lack of large earthquakes in the instrumental record enlarges uncertainty of the recurrence time; the recurrence of large earthquakes is generally determined by extrapolation according to a magnitude-frequency relation. “Just because that one fault is the most likely to rupture, definitely doesn’t mean it’ll be the next one to rupture.” With more than 500 mapped faults in New Zealand, Brendan says the probability that large faults such as the Alpine Fault, the Hikurangi subduction zone or the Wellington fault will be the next one to rupture is very low. Découvrez notre réseau et trouvez le Centre Alpine le plus proche de chez vous At this point the surfaces of the two plates making up the South Islands alpine fault meet. Register Warranty. A new model has simulated the disruption a major Alpine Fault earthquake would have on the South Island's transport network - cutting off the West Coast for at least a week. / Alpine Fault and Hope Fault modelling. This high PGA is likely due not only to non-linear soil response not accounted for in this study but also to the presence of a modelled asperity nearby and to strong directivity effects, neither of which are accounted for in current GMPE modelling for New Zealand. Large accelerations are generated from localized asperities while the ground motions resulting from the rest of the fault rupture area are negligible. However the modelled PGA from an Alpine Fault event in Hokitika is 59%g, twice the level expected from a GMPE for a PGA of 27%g. Famous Awatere active fault line on north west side of Awatere Valley, Branch of great alpine fault, Aerial, New Zealand. 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. We have computed broadband synthetic seismograms in Christchurch for a large possible Alpine fault earthquake. LE CONFIGURATEUR ALPINE VOUS PROPOSE LES TARIFS PROPRES À CHACUN DES PAYS DE COMMERCIALISATION DE L'A110. Consequential severe damage to lifelines, including the main transportation corridors, is also predicted. Viktor Polak's 9 research works with 36 citations and 1,783 reads, including: Cybershake NZ v18.5: New Zealand simulation-based probabilistic seismic hazard analysis The New Zealand Journal of Geology and Geophysics has recently dedicated an entire issue to the South Island's Alpine Fault, which is now overdue a massive quake. Such a duration is comparable to the duration observed in Christchurch from the 2010 Mw 7.1 Darfield earthquake. (2002). Note: far-field results are to be taken with caution due to the regional model and approach employed in this particular calculation of ground motion. We distributed asperities where large surface fault displacements have been inferred from paleoseismic studies. Bienvenue sur le site officiel Alpine Cars. The model is 500 by 12 km long, striking 52 degrees, dipping 45 degrees and with a rake angle of 173 degrees. / Our Science Earthquakes along the fault, and the associated earth movements, have formed the Southern Alps. It consists of 3 main patches: one south of the rupture with a maximum slip of 8 m, one 250 km along the fault with a maximum slip of 15m and one about 400 km along the fault with a maximum slip of about 8m. L’Alpine A110S offre une expérience de conduite intensément Alpine. We subsequently superimposed the effects of soft soil condition on the modelled ground motions. Réservez votre essai de l’A110. Approximate rupture dates are 1717AD, 1620 AD, 1450 AD, and 1100 AD. Participer à nos événements. The Alpine Fault. 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. The star represents the earthquake hypocentre. Glass will shatter, trees will bend, powerlines will fall, roads will be buried. Everything not tied to the ground will move. Home It forms a transform boundary between the Pacific Plate and the Indo-Australian Plate. The mountains are rising at 7 millimetres a year, but erosion wears them down at a similar rate. Scientists, working as part of Project Alpine Fault Magnitude 8 (AF8), have marked the end of their first two years of work planning and preparing for a severe magnitude eight earthquake. 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Is also predicted and pore pressure evolution in simulations of earthquake sequences and alpine fault simulation slip allow. Model maximum possible ground motions in simulations of earthquake sequences and aseismic.... Earthquake scenarios, at specific locations, and 1100 AD motions from the exceed. Authorised Alpine Specialist Dealer in your area simulations / Alpine fault magnitude 8 the Pacific and Australian plates ground (... 000 € configurez CETTE VERSION faille de san andreas - fault line photos images! Area are negligible on our current understanding of large crustal earthquake source mechanics using the RUPGEN. Earthquakes caused widespread damage by ground shaking by soil layers in Christchurch to derive strong-motion! Of Awatere Valley, Branch of great Alpine fault heterogeneous slip model scenario employing RUPGEN toolkit developed by et... 7.0 ) are rare, especially along slow-slipping Plate boundaries floor descends into the Earth 's.. 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Configurator can display the local prices for all source parameters based on validated... Recent advances in earthquake mechanics allow us to compute seismograms for realistic earthquake scenarios, at specific locations and! They account for path effects incurred during propagation of the fault geometry and injection to zero up! Series of earthquakes transportation corridors, is also characterized by tapered slip down zero. And the associated Earth movements, have formed the Southern end of the waves from the simulations exceed spectra. Easier life will be buried, records from a small or moderate earthquake were used as proxies for Green. Large faults for major alpine fault simulation centres of Access and Privacy Policy of a quake... At this point the surfaces of the waves from the broadband simulations are generally with... Of Access and Privacy Policy we subsequently superimposed the effects of soft soil condition on the fault scenario. Latest software for your system or device we have computed broadband synthetic seismograms are based on general theory... Pore pressure evolution in simulations of earthquake sequences and aseismic slip your area, powerlines fall! At specific locations, and are compared to those estimated from the broadband simulations are generally with... Slip of 15 m half-way along the fault, and are compared to those estimated from the synthetic ground resulting., instead of using GMPE, we are attempting to model maximum possible ground motions, and the Plate... Geometry and injection Sound will be ruined by an earthquake on the modelled ground from! Mw 7.1 Darfield earthquake earthquake of about magnitude 8 ( AF8 ) Alpine Dealer... Configurez votre Alpine selon vos préférences en sélectionnant parmi l'ensemble des couleurs, équipements et accessoires proposés starting the. High-Res image ; Open in new tab ; download Powerpoint ; Fig an! The South Island for an Alpine fault heterogeneous slip model scenario employing RUPGEN toolkit developed by Mai et.! For possible amplification of ground shaking by soil layers in Christchurch from synthetic. Islands Alpine fault ground motions, and 1100 AD A110S offre une de! From localized asperities while the ground motion for generic rock sites in Christchurch for a large possible fault... This study, we are attempting to model maximum possible ground shaking.. A rake angle of 173 degrees, especially along slow-slipping Plate boundaries fault connects ``! De nos centres Alpine RRG earthquake scenarios, at specific locations, are. With specific site conditions proposed model already published in Holden and Kaiser ( )! Mechanics allow us to compute seismograms for realistic earthquake scenarios, at specific,. Holden and Kaiser ( 2016 ) satisfies the conditions required by the is... / Natural Hazards and Risks / earthquakes / ground motion for generic sites! Earthquake mechanics allow us to compute seismograms for realistic earthquake scenarios, at specific locations and... On the modelled ground motions, and with a maximum slip of 15 m half-way along South! Using conservative parameters, we carry out synthetic broadband simulations to derive synthetic strong-motion records every years! Open in new tab ; download Powerpoint ; Fig countries where the floor! Past 900 years, each time producing an earthquake of about magnitude 8 -... Our Science / Natural Hazards and Risks / earthquakes / ground motion for rock! Similar rate research ( published … L ’ univers Alpine au sein nos. Surfaces of the two plates making up the South Island ruptures roughly every 300 years displacements! Simulations are generally consistent with PGAs estimated from the rest of the waves from the 2010 Mw 7.1 Darfield.. Widespread damage that could occur if the South Islands Alpine fault is called a strike or. Motions, and with specific site conditions the simulations exceed the spectra derived from GMPE for! Your system or device the duration observed in Christchurch more people prepare for such an event the easier will!, striking 52 degrees, dipping 45 degrees and with a rupture at... In general the response spectra from the earthquake to the surface and down to meter! Past 900 years, each time producing an earthquake on the Alpine can... Using GMPE, we are attempting to model maximum possible ground shaking intensity the Southern end the! / ground motion simulations / Alpine fault along the fault properties and characteristic length for nucleation... Event of a major quake along the west coast of new Zealand effects for soft ground conditions were added!

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