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A new local magnitude scale for southeastern Australia

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Created 13/01/2025

Updated 13/01/2025

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Measurements of maximum trace amplitudes from 181 short- period vertical seismograms recorded at hypocentral distances of 3-1500 km from 36 earthquakes in the magnitude range 0.8 - 4.3 were used to derive a new preliminary ML scale for southeastern Australia ML = log A + (1.34±0.09)log(R/100) + (0.00055±0.00012)(R-100) + 3.13 + S where ML is local magnitude, A (mm) is equivalent Wood-Anderson trace amplitude not corrected for the measurement having been made on a vertical component, R (km) the hypocentral distance and S the station correction.

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Title A new local magnitude scale for southeastern Australia
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/84f0a187-2c68-4c90-8256-b3b2ce8cebe0
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage {"type": "Polygon", "coordinates": [[[138.0, -44.0], [158.0, -44.0], [158.0, -26.0], [138.0, -26.0], [138.0, -44.0]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "A new local magnitude scale for southeastern Australia". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/a-new-local-magnitude-scale-for-southeastern-australia

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