Conference Proceedings
Pacific Rim Congress, Gold Coast Qld, May 1990
Conference Proceedings
Pacific Rim Congress, Gold Coast Qld, May 1990
Liquefaction Potential in the Seismic Environment of the Wide Bay - Burnett Region of Queensland
Recent studies by the authors have concerned themselves with assessing the earthquake risk to north-eastern Australia, based on available historical earthquake data for the area. There have been several significant earthquakes (Richter local magnitudes of the order of 6) concentrated in the Wide Bay - Burnett region in central eastern Queensland, although none of these has occurred close to a significant centre of population or development. Using derived average acceleration attenuation relations and world-wide data on earthquake-induced damage as a basis, conditions under which earthquake-induced liquefaction may occur have been investigated and presented in graphical form. Historical earthquake data for north-eastern Australia have been overlain on this graphical presentation and it has been demonstrated that the Wide Bay - Burnett region, in particular, may in the past have been on the verge of earthquake-induced liquefaction, where ground conditions are susceptible. When this is viewed in the context of the rapid growth in population and development in this area over recent years, the risk can no longer be ignored with impunity.
Contributor(s):
D J Williams, J M W Rynn, A Paynter
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- Published: 1990
- PDF Size: 0.235 Mb.
- Unique ID: P199003102