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Gravity, magnetic and bathymetry grids from levelled data for Southwest Australia : Southwest region

Created 20/01/2026

Updated 20/01/2026

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The Australian Geological Survey Organistaion (AGSO) has produced a set of digital bathymetry, gravity and magnetic grids for the southwest quadrant of Australia (24 - 46S, 106-140E), using all available land, marine and satellite data. The work was done in cooperation with Desmond Fitzgerald & Associates (DFA), and with significant bathymetric data input from the Australian Hydrographic Office (AHO). The results were obtained by performing a network adjustment on marine ship-track data, and combining these with onshore and satellite-derived data.

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Title Gravity, magnetic and bathymetry grids from levelled data for Southwest Australia : Southwest region
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/1cd238e2-d22a-4011-832f-245adebc5334
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        106.0,
        -46.0
      ],
      [
        140.0,
        -46.0
      ],
      [
        140.0,
        -24.0
      ],
      [
        106.0,
        -24.0
      ],
      [
        106.0,
        -46.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Data.gov.au