According to a magnitude-2.8 earthquake was, in the Barossa Valley overnight. (ABC News: Brant Cumming) Barossa Valley residents have awoken to the rumble of a magnitude-2.8 earthquake overnight.
The quake was located in Stone Well, on the outskirts of Tanunda, about 55 kilometres north-east of Adelaide.
The earthquake was recorded at 2:26am on Monday, with nearly 250 reports were received by Geoscience Australia.
Mark, a resident of Nuriootpa, described the tremor as "pretty powerful, it was very bass-like".