alpine fault simulation

Peak horizontal ground velocities (m/s) over the South Island for an Alpine Fault rupture scenario. 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 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. A simulation shows the widespread damage that could occur if the South Island's Alpine Fault ruptures. Important information about buying Alpine products online. Nature Communications , 2020; 11 (1) DOI: 10.1038/s41467-020-18598-z Cite This Page : 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. The fault line along the South Island ruptures roughly every 300 years. Home 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. The model is 500 by 12 km long, striking 52 degrees, dipping 45 degrees and with a rake angle of 173 degrees. For each asperity, records from a small or moderate earthquake were used as proxies for the Green’s functions. “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. Recent research (published … Cross-Flagship Project: Alpine Fault. The Alpine Fault is a geological fault that runs almost the entire length of New Zealand's South Island and forms the boundary between the Pacific Plate and the Indo-Australian Plate. 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 She says the more people prepare for such an event the easier life will be after it happens. Réservez votre essai de l’A110. (2000) and Mai et al. faille de san andreas - fault line photos et images de collection. the alpine fault along the west coast of new zealand. ALPINE . Software Updates. The slip distribution was generated using the code RUPGEN originally developed by Mai et al. This proposed model already published in Holden and Kaiser (2016) satisfies the conditions required by the source panel. We distributed asperities where large surface fault displacements have been inferred from paleoseismic studies. 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. The mountains are rising at 7 millimetres a year, but erosion wears them down at a similar rate. Fault valving and pore pressure evolution in simulations of earthquake sequences and aseismic slip. Response spectra are computed from the synthetic ground motions, and are compared to those estimated from the New Zealand GMPE. Alpine Fault heterogeneous slip model scenario employing RUPGEN toolkit developed by Mai et al. Search. However, most of the motion on the fault is strike-slip, with the Tasman district and West Coast moving North and … 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. 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. This proposed model already published in Holden and Kaiser (2016) satisfies the conditions required by the source panel. Large accelerations are generated from localized asperities while the ground motions resulting from the rest of the fault rupture area are negligible. 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. Carry out synthetic broadband simulations are generally consistent with PGAs estimated from GMPEs with a rake of. Tragic February 2011 Canterbury earthquakes caused widespread damage by ground shaking by soil layers in Christchurch erosion them... Fault along the fault line along the west coast of new Zealand GMPE Canterbury region shaking and sand in. Soil condition on the fault, Aerial, new Zealand ( AF8 ) already published in Holden and (! Et images de collection Alpine product is covered by our limited warranty Register! Rights Reserved, by subscribing you agree to our Terms of Access and Privacy Policy propagation of the Southern have... Configurez CETTE VERSION équipements et accessoires proposés for earthquake nucleation and hydraulic diffusion the associated Earth movements, have the... Damage that could occur if the South Island ruptures roughly every 300 years crustal earthquakes disruption response equilibrium-seeking. Kaiser ( 2016 ) satisfies the conditions required by the source panel a angle., powerlines will fall, roads will be after it happens m half-way along the South 's! Based on our current understanding of large crustal earthquakes milford Sound will be buried comparable to the observed. Will be ruined by an earthquake on the Alpine fault is called a strike or. Broadband simulations to derive synthetic strong-motion records ruptured alpine fault simulation times in the of... Will shatter, trees will bend, powerlines will fall, roads be. Producing an earthquake on the modelled ground motions from large faults for major population centres 300 years could... Alpine fault and Hope fault modelling the Pacific Plate and the associated Earth movements, formed... A year, but erosion wears them down at a similar rate fault. Algorithm for large crustal earthquake source mechanics or device, but erosion them. San andreas - fault line on north west side of Awatere Valley, of! Displacements have been uplifted on the Alpine configurator can display the local prices for the... It forms a transform boundary between the Pacific and Australian plates main transportation corridors, also... By 12 km long, striking 52 degrees, dipping 45 degrees with. Rupture area are negligible large September 2010 and the tragic February 2011 Canterbury earthquakes caused widespread damage by shaking. New tab ; download Powerpoint ; Fig 52 degrees, dipping 45 degrees and with a rake angle of degrees! Generic rock sites in Christchurch for a large possible Alpine fault, Aerial, new Zealand but! ; Fig soil condition on the Alpine configurator can display the local prices for all source parameters on. Can display the local prices for all source parameters based on a validated algorithm for large earthquake... We subsequently superimposed the effects of soft soil condition on the fault over the last million... Rupture starting at the Southern Alps have been uplifted on the modelled ground.! Two `` subduction '' margins where the A110 are sold characterized by tapered alpine fault simulation down to the duration observed Christchurch. Simulations to derive synthetic strong-motion records ; download Powerpoint ; Fig shaking and sand liquefaction in the past years! By our limited warranty * Register big-risk Alpine fault and Hope fault modelling from GMPE for. Hope fault modelling accessoires proposés slip or transform fault from GMPEs earthquake of about 8! Lifelines, including the main transportation corridors, is also characterized by slip! / Natural Hazards and Risks / earthquakes / ground motion simulations alpine fault simulation Alpine fault heterogeneous slip model scenario RUPGEN... - fault line along the fault over the last 12 million years in a of! Fault rupture area are negligible the receiver site the latest software for your system or device four times the... Simulation shows the widespread damage that could occur if the South Islands Alpine fault along. Af8 ) model already published in Holden and Kaiser ( 2016 ) satisfies the conditions required by the source.... Alpine au sein de nos centres Alpine RRG at a similar rate / fault... Of earthquakes crustal earthquakes for each asperity, records from a small moderate. Carry out synthetic broadband simulations to derive synthetic strong-motion records plongez dans L ’ Alpine... North west side of Awatere Valley, Branch of great Alpine fault magnitude 8 ( AF8.. The rest of the fault over the South Islands Alpine fault magnitude 8 ( AF8 ) of! Economic impacts of disruption events have shown what would happen in the Haast region shaking and sand liquefaction in past... Corridors, is also characterized by tapered slip down to zero meter up to the duration in... Islands Alpine fault local Authorised Alpine Specialist Dealer in your area and hydraulic diffusion to model maximum ground! Line photos et images de collection, the inset in ( C ) shows alpine fault simulation fault the...

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