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Reconciling neotectonic and seismic recurrence rates in SW WA

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Created 20/01/2025

Updated 20/01/2025

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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://devweb.dga.links.com.au/data/dataset/200091c4-5ef6-4f06-aff5-8fec70ab918b
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage http://www.ga.gov.au/place-names/PlaceDetails.jsp?submit1=GA1
Data Portal Data.gov.au