An earthquake measuring 6.6 on the Richter scale struck western Australia on Sunday, European-Mediterranean Seismological Centre (EMSC) said.
The epicentre of the quake, which struck at around 3:38 pm (local time), was located at a shallow depth of 2 kilometres, about 213 kilometres offshore from the town of Broome.
There were no immediate reports of casualties or damage to the property as a result of the quake.
No Tsunami warning has been issued.