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Reconciling neotectonic and seismic recurrence rates in SW WA

Created 17/10/2025

Updated 17/10/2025

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The seismicity of the southwest corner of Western Australia has long thought to have been unusual. Everingham (1968) and Everingham and Tilbury (1972) undertook an analysis of the historical earthquake catalogue for south-western Australia, and concluded that the catalogue is complete above magnitude 4.5 since 1900, and probably since 1878. Michael-Leiba (1987) concluded that there was a sudden increase in seismicity around 1949. The geomorphology of the area (eg. the generally flat landscape) is not consistent with the seismicity rate for the last 40 years, which includes three scarp forming earthquakes, being typical of the seismicity over the Quaternary.

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Title Reconciling neotectonic and seismic recurrence rates in SW WA
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/760421db-1908-4a8c-9161-1919c444b18e
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage Australia
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Reconciling neotectonic and seismic recurrence rates in SW WA". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/reconciling-neotectonic-and-seismic-recurrence-rates-in-sw-wa