A magnitude 4.8 earthquake just shook southeast Victoria. Here’s why we may expect more

By Dee Ninis, Earthquake Scientist, Monash University

At just after 2am on Saturday morning, a magnitude 4.8 earthquake occurred at Arawata, about six kilometres northeast of Korumburra and 100km southeast of Melbourne.

Residents closest to the epicentre described a loud bang – a phenomenon which occurs only in the epicentral region of an earthquake, when seismic energy reaches the surface.

They also described houses and windows rattling, and trees swaying back and forth as a result of the strong shake. The…

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