The Mw 5.9 Woods Point Earthquake: A Preliminary Investigation of the Ground Motion Observations
The 22 September 2021 (AEST) moment magnitude MW 5.9 Woods Point earthquake was the largest in the state of Victoria’s recorded history. The ground motions were felt throughout the state of Victoria and into neighbouring states New South Wales and South Australia. Minor damage was reported in the city of Melbourne and in some regional towns close to the epicentre. This event was captured on many high-quality recorders from multiple sources, including private, university, and public stations. These recordings provide a rare opportunity to test the validity of some ground motion models thought to be applicable to the southeast region of Australia. This paper presents spectral acceleration and attenuation comparisons of the Woods Point earthquake event to some ground motion models. The results of this paper provide further evidence that the attenuation characteristics of southeastern Australia may be similar to that in central and eastern United States, particularly at shorter distances to the epicentre.
This paper was presented at the Australian Earthquake Engineering Society 2021 Virtual Conference, Nov 25 – 26.
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- 2021-10
- Date (Publication)
- 2022-11-10T06:29:32
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Digital Object Identifier
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Role Organisation / Individual Name Details Author Hoult, R. D.
Author Pascale, A.
External Contact Author Jones, A.
School of Geography, Earth and Atmosphere Science, Faculty of Science, University of Melbourne Parkville, Victoria External Contact Author Allen, T.
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Paper presented at Australian Earthquake Engineering Society 2021 Virtual Conference Paper
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Role Organisation / Individual Name Details Point of contact Commonwealth of Australia (Geoscience Australia)
Voice Point of contact Allen, T.
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Natural Hazards
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EARTH SCIENCES
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Earthquake Engineering
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ground-motion model
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attenuation
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seismic
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models
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Published_External
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4.0
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Paper presented at Australian Earthquake Engineering Society 2021 Virtual Conference Paper
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Australian Government Security Classification System
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Role Organisation / Individual Name Details Point of contact Commonwealth of Australia (Geoscience Australia)
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Journal Articles and Conference Papers
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Geoscience Australia - short identifier for metadata record with
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- 2019-04-08T01:55:29
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Metadata standard
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AU/NZS ISO 19115-1:2014
Metadata standard
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ISO 19115-1:2014
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ISO 19115-3
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Geoscience Australia Community Metadata Profile of ISO 19115-1:2014
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