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  • This supplement contains comparison plots between the KSHM and the 2010 NSHM. Supplement to: Gerstenberger MC, Rhoades DA, Litchfield NJ, Abbott ER, Goded T, Christophersen A, Van Dissen RJ, Bannister S, Barrell DJA, Bruce ZRV, et al. 2022. A time-dependent seismic hazard model following the Kaikōura M7.8 earthquake. New Zealand Journal of Geology and Geophysics. Cite as: Gerstenberger MC, Rhoades DA, Litchfield NJ, Abbott ER, Goded T, Christophersen A, Van Dissen RJ, Bannister S, Barrell DJA, Bruce ZRV, et al. 2022. Supplement 4: Ratio plots of KSHM and NSHM2010. https://doi.org/10.21420/83FE-H882.

  • Contains descriptions of changes made to the Kaikoura Seismic Hazard Model fault source model. Supplement to: Gerstenberger MC, Rhoades DA, Litchfield NJ, Abbott ER, Goded T, Christophersen A, Van Dissen RJ, Bannister S, Barrell DJA, Bruce ZRV, et al. 2022. A time-dependent seismic hazard model following the Kaikōura M7.8 earthquake. New Zealand Journal of Geology and Geophysics. Cite as: Gerstenberger MC, Rhoades DA, Litchfield NJ, Abbott ER, Goded T, Christophersen A, Van Dissen RJ, Bannister S, Barrell DJA, Bruce ZRV, et al. 2022. Supplement 2: Descriptions and data sources for modified or newly added fault sources (in alphabetical order). https://doi.org/10.21420/VRYT-VT95.

  • In this supplement we document the input data and methods used to estimate the conditional probability of rupture for the Kekerengu fault, Conway segment of the Hope fault and northeasteren section of the Awatere fault. We also describe how these rupture probabilities are proportioned onto the relevant active fault earthquake sources in the Kaikoura Seismic Hazard Model. Supplement to: Gerstenberger MC, Rhoades DA, Litchfield NJ, Abbott ER, Goded T, Christophersen A, Van Dissen RJ, Bannister S, Barrell DJA, Bruce ZRV, et al. 2022. A time-dependent seismic hazard model following the Kaikōura M7.8 earthquake. New Zealand Journal of Geology and Geophysics. Cite as: Gerstenberger MC, Rhoades DA, Litchfield NJ, Abbott ER, Goded T, Christophersen A, Van Dissen RJ, Bannister S, Barrell DJA, Bruce ZRV, et al. 2022. Supplement 3: Conditional probability of rupture: Kekerengu, Hope and Awatere faults. https://doi.org/10.21420/Y8HV-GX02.

  • The National Seismic Hazard Model (NSHM) for New Zealand provides probabilistic estimates of the strength of earthquake shaking that can be expected according to a user-defined time period and probability, e.g. the peak ground acceleration (PGA) that has a 10% chance of happening in any 50 year time window. Probabilistic Seismic Hazard Analysis (PSHA) uses the location, recurrence behaviour, and predicted ground motions of earthquake sources to estimate the hazard at a site, or across a grid of sites as shown in the map below for Class C (shallow soil) site conditions. The NSHM is an algorithm that draws upon several component models to calculate its results. It uses a fault model that combines New Zealand’s active fault database, which includes 536 fault sources, and the 170 year historical earthquake catalogue. The background model is comprised of a multi-layered background seismicity grid DOI: https://doi.org/10.21420/MX74-Q807 Site as: GNS Science. (2020). National Seismic Hazard Model (NSHM) for New Zealand. GNS Science. https://doi.org/10.21420/MX74-Q807