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Large earthquake recurrence in the Snowy Monaro region New findings to inform dam safety

Created 16/10/2025

Updated 16/10/2025

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The Snowy Monaro region hosts major infrastructure critical to Australia’s energy and water security. It also hosts a number of active faults capable of hosting large earthquakes that may impact this infrastructure. However, to date the hazard and consequent risk from these faults has been poorly characterised. This study presents the initial results of geological investigations to understand how often large earthquakes occur on these faults, and how big they may be, with a focus on the Jindabyne Thrust and the neighbouring Hill Top Fault. The investigation reveals at least three earthquakes on the Jindabyne Thrust, with the most recent event occurring within the Holocene, and also demonstrates late Pleistocene activity of the Hill Top Fault. The new insights into earthquake activity rates have implications for dam safety management, risk assessment, emergency management and design, both in the Snowy Monaro region and elsewhere in the southeast highlands of Australia.

Presented at the 2024 Australian National Committee on Large Dams (ANCOLD) Conference

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Additional Info

Field Value
Title Large earthquake recurrence in the Snowy Monaro region New findings to inform dam safety
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/22879c96-36da-4b4b-ae8a-27f84d35d76c
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period
Geospatial Coverage
Map data © OpenStreetMap contributors
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Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Large earthquake recurrence in the Snowy Monaro region New findings to inform dam safety". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/large-earthquake-recurrence-in-the-snowy-monaro-region-new-findings-to-inform-dam-safety