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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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Identification info

Date (Creation)
2021-10
Date (Publication)
2022-11-10T06:29:32
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/145969

Identifier

Codespace

Digital Object Identifier

Cited responsible party
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.

Place and Communties Internal Contact
Purpose

Paper presented at Australian Earthquake Engineering Society 2021 Virtual Conference Paper

Status
Completed
Point of contact
Role Organisation / Individual Name Details
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice
Point of contact

Allen, T.

Place and Communities Internal Contact
Resource provider

Place and Communities Division

External Contact
Spatial representation type
Topic category
  • Geoscientific information

Extent

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E
W


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Not planned

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Title

Product data repository: Various Formats

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Data Store directory containing the digital product files

Data Store directory containing one or more files, possibly in a variety of formats, accessible to Geoscience Australia staff only for internal purposes

theme.ANZRC Fields of Research.rdf
  • Natural Hazards

  • EARTH SCIENCES

  • Earthquake Engineering

Keywords
  • ground-motion model

Keywords
  • attenuation

Keywords
  • seismic

Keywords
  • models

Keywords
  • Published_External

Resource constraints

Title

Creative Commons Attribution 4.0 International Licence

Alternate title

CC-BY

Edition

4.0

Website

http://creativecommons.org/licenses/

Access constraints
License
Use constraints
License

Resource constraints

Title

Australian Government Security ClassificationSystem

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified
Language
English
Character encoding
UTF8

Distribution Information

Distributor contact
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Distributor

Commonwealth of Australia (Geoscience Australia)

Voice
OnLine resource

Link to Conference Proceedings

Link to Conference Proceedings

Distribution format
OnLine resource

Link to Presentation

Link to Presentation

Distribution format

Resource lineage

Statement

Paper presented at Australian Earthquake Engineering Society 2021 Virtual Conference Paper

Metadata constraints

Title

Australian Government Security Classification System

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified

Metadata

Metadata identifier
urn:uuid/3a5157fc-bb5b-4478-b4e0-5310ded65c70

Title

GeoNetwork UUID

Language
English
Character encoding
UTF8
Contact
Role Organisation / Individual Name Details
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice
Owner

Allen, T

Internal Contact

Type of resource

Resource scope
Document
Name

Journal Articles and Conference Papers

Alternative metadata reference

Title

Geoscience Australia - short identifier for metadata record with

uuid

Citation identifier
eCatId/145969

Metadata linkage

https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/5167d912-6784-4371-9938-3931e84ca6f1

Metadata linkage

https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/3a5157fc-bb5b-4478-b4e0-5310ded65c70

Date info (Creation)
2019-04-08T01:55:29
Date info (Revision)
2019-04-08T01:55:29

Metadata standard

Title

AU/NZS ISO 19115-1:2014

Metadata standard

Title

ISO 19115-1:2014

Metadata standard

Title

ISO 19115-3

Title

Geoscience Australia Community Metadata Profile of ISO 19115-1:2014

Edition

Version 2.0, September 2018

Citation identifier
https://pid.geoscience.gov.au/dataset/ga/122551

 
 

Spatial extent

N
S
E
W


Keywords

attenuation ground-motion model models seismic
theme.ANZRC Fields of Research.rdf
EARTH SCIENCES Earthquake Engineering Natural Hazards

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