A 5.2 magnitude earthquake struck the western town of Kalgoorlie on Tuesday, damaging several buildings and closing schools.
The state's premier Colin Barnett told local media that no one was hurt.
Workers at the Super Pit and Mount Charlotte gold mines were evacuated as a precaution. Emergency services said they had not received any reports of damage to mines in the area.
Kalgoorie is 600km east of the city of Perth and is surrounded by desert. Geoscience Australia seismologist David Jepsen said it was the largest in the last 25 years in the region.
For more on this story and other International stories making headlines, make sure you tune into The Weather Network on TV. Our newscast comes up at :12 and :42 minutes past each hour.