A small earthquake has struck the Appin region. The 3.1 magnitude tremor just north of Douglas Park happened at 2.05pm on Sunday afternoon, at approximately 3 kilometres below the earth's crust.
A senior seismologist with Geoscience Australia, Hadi Ghasemi, described it as a shallow event.
"We generally consider it a small earthquake," Mr Ghasemi said.
"For people close to the epicentre, it would have felt like a short, sharp movement followed by a few more … which pass very quickly."
He said the event was unlikely to have caused any damage to buildings or other structures.
So far, no aftershocks have been registered.
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