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Selection of Ground-Motion Models for National Seismic Hazard Assessment of Australia

<div>One of the key challenges in assessing earthquake hazard in Australia is understanding the attenuation of ground-motion through the stable continental crust. There are now a small number of ground-motion models (GMMs) that have been developed specifically to estimate ground-motions from Australian earthquakes. These GMMs, in addition to models developed outside Australia, are considered here for use in the updated national seismic hazard assessment of Australia. An updated and extended suite of ground-motion data from small-to-moderate Australian earthquakes are used to assess the suitability of the candidate models for use in the Australian context. Recorded spectral intensities are compared with those predicted by the GMMs. Both qualitative and quantitative approaches are considered for such comparisons. The goodness-of-fit results vary significantly among different GMMs, spectral periods and distance ranges; however, overall, the Australian-specific GMMs seem to perform reasonably well in estimating the level of ground shaking for earthquakes in Australia.


This paper was presented to the 2022 Australian Earthquake Engineering Society (AEES) Conference 24-25 November ( https://aees.org.au/aees-conference-2022/)

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Identification info

Date (Creation)
2022-10-15T05:00:00
Date (Publication)
2024-02-02T00:42:33
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/147297

Cited responsible party
Role Organisation / Individual Name Details
Publisher

Commonwealth of Australia (Geoscience Australia)

Voice
Author

Ghasemi, H.

Internal Contact
Author

Allen, T.

Internal Contact
Name

Australian Earthquake Engineering Society (AEES) Conference 24-25 November 2022 Mt Macedon VIC

Purpose

to be submitted to the 2022 AEES conference

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

Place and Communities Division

External Contact
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice
Point of contact

Ghasemi, H.

Internal Contact
Spatial representation type
Topic category
  • Geoscientific information

Extent

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S
E
W


Maintenance and update frequency
Not planned

Resource format

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

Keywords
  • ground-motion model

Keywords
  • seismic hazard assessment

Keywords
  • ground-motion database

theme.ANZRC Fields of Research.rdf
  • Seismology and seismic exploration

Keywords
  • Published_External

Resource constraints

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User

Any

Use constraints
License
Use constraints
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Other constraints

© Commonwealth of Australia (Geoscience) 2022

Resource 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
Classification system

Australian Government Security Classification System

Language
English
Character encoding
UTF8

Distribution Information

Distributor contact
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Distributor

Commonwealth of Australia (Geoscience Australia)

Voice facsimile
OnLine resource

Link to Conference Page

Link to Conference Page

Distribution format
OnLine resource

Link to Paper

Link to Paper

Distribution format

Resource lineage

Statement

<div>National Seismic Hazard Assessment</div>

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/08f5fc45-c288-45a1-b653-d52003e252e8

Title

GeoNetwork UUID

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

Commonwealth of Australia (Geoscience Australia)

Voice
Point of contact

Ghasemi, H.

Internal Contact

Type of resource

Resource scope
Document
Name

Journal Article / Conference Paper

Alternative metadata reference

Title

Geoscience Australia - short identifier for metadata record with

uuid

Citation identifier
eCatId/147297

Metadata linkage

https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/08f5fc45-c288-45a1-b653-d52003e252e8

Metadata linkage

https://ecat.ga.gov.au/geonetwork/ofmJ3/eng/catalog.search#/metadata/08f5fc45-c288-45a1-b653-d52003e252e8

Date info (Creation)
2023-03-27T01:48:35
Date info (Revision)
2023-03-27T01:48:35

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

theme.ANZRC Fields of Research.rdf
Seismology and seismic exploration

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