Mackay Area Map

The Queensland catalog contains a total of 245 earthquakes in the Mackay map region. Shown here are Richter magnitude ML > 0 events.

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The largest event close to Mackay had a Richter magnitude of 4.7 and struck 20 km offshore Mackay in 1960. The seismic network near Mackay contains too few seismographs to detect most smaller earthquakes. This is problematic because low level activity is needed to properly analyse and forecast the hazard for mitigation and preparedness purposes. A reassessment of the earthquake hazard in Queensland conducted by UQ in 1996 suggested that the Mackay to Cairns region may be one of the higher hazard parts of the state although uncertainty remains high due to data limitations.