Geoscience Australia reported a 5.3-magnitude quake was recorded at 2:41 a.m. WST. The epicenter was located about 270 kilometers (169 miles) off Exmouth.
Geoscience Australia seismologist Jonathan Bathgate told the Australian Broadcasting Corp. the temblor was shallow and not widely felt onshore.
"The plates are always moving but these sorts of events in Australia are not particularly uncommon," Bathgate said.
He said Western Australia experienced similar strength quakes in 2000 and in 1970.
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