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Comparison of earthquake source spectra and attenuation in eastern North America and southeastern Australia

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Created 20/01/2025

Updated 20/01/2025

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The paucity of ground-motion data in Stable Continental Regions (SCRs) remains a key limitation when developing relations that seek to predict effects of strong ground-shaking from large damaging earthquakes. It is desirable to combine data from more than one SCR in order to increase database size, but this raises questions as to whether the source and attenuation properties of the SCRs are equivalent. We merge recently - compiled spectralamplitude databases from small-to-moderate events (moment magnitudes 2.0< - 5.0<) in both southeastern Australia and eastern North America in order to compare the key characteristics of ground motion in these two regions. Both are SCRs, but are widely separated, spatially and in tectonic history.

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Title Comparison of earthquake source spectra and attenuation in eastern North America and southeastern Australia
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/dfaa28cf-69a3-4799-834c-10f15ffc0b03
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage {"type": "Polygon", "coordinates": [[[-180.0, -90.0], [180.0, -90.0], [180.0, 90.0], [-180.0, 90.0], [-180.0, -90.0]]]}
Data Portal data.gov.au

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This dataset was originally found on data.gov.au "Comparison of earthquake source spectra and attenuation in eastern North America and southeastern Australia". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/comparison-of-earthquake-source-spectra-and-attenuation-in-eastern-north-america-and-southeaste

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