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Magnitude 5.8 earthquake shakes far north Queensland



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Magnitude 5.8 earthquake shakes far north Queensland 18 August 2016

A location map showing the magnitude 5.8 earthquake that occurred off Bowen, Queensland on 18 August 2016.

Some of far north Queensland's most popular tourist destinations have been shaken by a large magnitude 5.8 earthquake, followed by a series of smaller aftershocks.

The magnitude 5.8 earthquake, which occurred approximately 70km offshore from Bowen, Queensland at 2:30pm, was felt widely across far north Queensland and as far south as the Sunshine Coast. A series of magnitude 3 aftershocks in the same region occurred in the following hours.

Shortly after the earthquakes the Joint Australian Tsunami Warning Centre operated by Geoscience Australia and the Bureau of Meteorology issued a nil tsunami threat for Australia.

Geoscience Australia received more than 1000 felt reports in the hours following the earthquake.

This afternoon's earthquakes were in very similar locations to the series of earthquakes that occured west of Bowen in 2011, including a magnitude 5.3 event on 11 April 2011.

Geoscience Australia senior duty seismologist Dr Jonathan Bathgate said Australia experiences on average two magnitude 5 events per year. Recently things have been busier than usual, with nine magnitude 5 events since February 2015, including five in Queensland.

"Today's magnitude 5.8 earthquake is the second strongest earthquake in recorded history in Queensland, behind a magnitude 6.0 event that occurred in 1918."

"The earthquakes occur because the Australian plate is moving northward at approximately seven centimetres per year, colliding with the Pacific plate, causing stress to build up across Australia, which is released periodically by earthquakes," Dr Bathgate said.

Did you feel the earthquakes? If you have felt an earthquake in Australia please visit and share your experience. There is a simple online earthquake report form that includes a series of questions to obtain information about shaking windows, loud noises or any immediate building damage. This information helps seismologists in gaining a greater understanding of this naturally occurring Earth process.

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