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Southwest Seismic Zone of Western Australia: measurement of vertical ground movements by repeat levelling and gravity surveys

This paper presents results of repeat surveys of levelling and gravity, analysed to determine areas of vertical ground movement in the Southwest Seismic Zone, 75-200 km east of Perth. Levelling surveys over parts of the earthquake zone have been made during four periods, starting in 1958. Differences between repeat levelling surveys separated by 10 or more years show areas of vertical ground movement, the areas being 20-50 km across with relative height changes of 50-100 mm amplitude. Some of the vertical ground motion is movement at the time of earthquakes, some is later rebound in the same earthquake areas, and other movement does not appear to be associated with large or small earthquakes and could be due to either elastic strain, or non-seismic faulting. Precise gravity observations at 10 km spacing were made in 1980-81 and repeated in 1983. The differences between the surveys do not show any significant gravity changes. Future studies should be set up to monitor stress, strain and earthquakes in a group of small, diverse test areas, using the global positioning system.

Simple

Identification info

Date (Publication)
1987-01-01T00:00:00
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/81219

Cited responsible party
Role Organisation / Individual Name Details
Publisher

Bureau of Mineral Resources, Geology and Geophysics

Canberra
Author

Wellman, P.

1
Author

Tracey, R.

2
Name

BMR Journal of Australian Geology and Geophysics

Issue identification

10:3:225-232

Point of contact
Role Organisation / Individual Name Details
Custodian

Corp

Owner

Commonwealth of Australia (Geoscience Australia)

Custodian

Commonwealth of Australia (Geoscience Australia)

Voice
Topic category
  • Geoscientific information

Extent

N
S
E
W


Maintenance and update frequency
Unknown

Resource format

Title

Product data repository: Various Formats

Website

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
  • GA Publication

  • Journal

Keywords
  • WA

Australian and New Zealand Standard Research Classification (ANZSRC)
  • Earth Sciences

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
Role Organisation / Individual Name Details
Distributor

Commonwealth of Australia (Geoscience Australia)

Voice
OnLine resource

Journal article (pdf)

Journal article (pdf)

Distribution format
  • pdf

Resource lineage

Statement

Unknown

Hierarchy level
Non geographic dataset
Other

GA Publication

Description

Source data not available.

Metadata constraints

Title

Australian Government Security ClassificationSystem

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

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

Classification
Unclassified

Metadata

Metadata identifier
urn:uuid/fae9173a-70a0-71e4-e044-00144fdd4fa6

Title

GeoNetwork UUID

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

Commonwealth of Australia (Geoscience Australia)

Voice

Type of resource

Resource scope
Document
Name

AGSO BMR Journal

Alternative metadata reference

Title

Geoscience Australia - short identifier for metadata record with

uuid

Citation identifier
eCatId/81219

Metadata linkage

https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/fae9173a-70a0-71e4-e044-00144fdd4fa6

Date info (Revision)
2018-04-20T06:08:19
Date info (Creation)
2014-06-03T00:00:00

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



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