A 4.7-MAGNITUDE earthquake has struck outside Yunta near the Flinders Ranges — the biggest in the region in the past 20 years.

The earthquake was recorded 27km south of Yunta at 7.24pm.

Geoscience Australia estimates the earthquake could have been felt by people up to 125km away from the epicentre.

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It says damage could have been caused up to 10km away.

Geoscience Australia seismologist David Jepson said tremors could be felt as far south as Gawler.

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He said it was the biggest earthquake in the region in the past 20 years.

News_Module: Quake strikes near Yunta

“If it was closer to a town it would have been more intense,” he said.

“It was a slight to moderate shake and you would not expect much damage.”

A 3.2-magnitude earthquake was recorded 7km north of Hawker in the Flinders Ranges on April 13.Two weeks earlier, another 3.2-magnitude earthquake struck 8km northeast of Melrose, also in the Flinders Ranges.

Advertiser.com.au readers from as far away from the epicentre as Adelaide’s northern suburbs, including Hillcrest and Salisbury Heights described how the earth moved for them.

Reader Peter Tabe reported on NewsForce that he felt the quake at Swan Reach, to the south-west of Wakerie.

Michelle May wrote on advertiser.com.au’s Facebook page: “I’m in Craigmore, I felt it, not so much anything shaking, like windows and furniture. It was a thunder like noise, lasted a couple of minutes. My dog was pretty scared too.”

Ali Keene of the Clare Valley wrote: “I heard the front door rattle and the dog barked and growled, but he didn’t get up and run to the front door, which I thought was weird at the time. Didn’t recognise it as a tremor, though.”

Jayne Stewart of Salisbury Heights said: “I heard a noise and thought someone was opening my rollerdoor & my cat heard it too ... now I know what it was.”

Sara Reynolds said: “Our house shook and creaked, I thought someone was shaking the couch I was sitting on! We are in the Barossa!”

Wendy Fuss said: “Yes in Hillcrest, shook the house.”

Sandra Urbanski said: “I heard a thunder type noise in Andrews farm”

And ‘Wombat’ wrote in the comments box below: “Being in the Riverland near Burra our loungeroom window was shaking that much my wife thought someone was outside rattling it from outside. I didn’t know what it was at first, but facebook had lots of comments from locals who also felt it. Hope they don’t get any bigger or closer than that.”