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Selection and ranking of ground-motion models for the 2018 National Seismic Hazard Assessment of Australia: Summary of ground-motion data, methodology and outcomes

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Created 13/01/2025

Updated 13/01/2025

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One of the key challenges in assessing earthquake hazard in Australia is understanding the attenuation of ground-motion through the stable continental crust. There are now a handful of ground-motion models (GMMs) that have been developed specifically to estimate ground-motions from Australian earthquakes. These GMMs, in addition to models developed outside Australia, are considered in the 2018 National Seismic Hazard Assessment (NSHA18; Allen et al., 2017). In order to assess the suitability of candidate GMMs for use in the Australian context, ground-motion data forom small-to-moderate Australian earthquakes have been gathered. Both qualitative and quantitative ranking techniques (e.g., Scherbaum et al., 2009) have been applied to determine the suitability of candidate GMMs for use in the NSHA18. This report provides a summary of these ranking techniques and provides a discussion on the utility of these methods for use in seismic hazard assessments in Australia; in particular for the NSHA18. The information supplied herein was provided to participants of the Ground-Motion Characterisation Expert Elicitation workshop, held at Geoscience Australia on 9 March 2017 (Griffin et al., 2018).

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Title Selection and ranking of ground-motion models for the 2018 National Seismic Hazard Assessment of Australia: Summary of ground-motion data, methodology and outcomes
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/d82243af-067c-4bc7-ba19-151b79f6e546
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 17/09/2018
Geospatial Coverage {"type": "Polygon", "coordinates": [[[112.0, -44.0], [154.0, -44.0], [154.0, -9.0], [112.0, -9.0], [112.0, -44.0]]]}
Data Portal data.gov.au

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This dataset was originally found on data.gov.au "Selection and ranking of ground-motion models for the 2018 National Seismic Hazard Assessment of Australia: Summary of ground-motion data, methodology and outcomes". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/selection-and-ranking-of-ground-motion-models-for-the-2018-national-seismic-hazard-assessment-o

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