A magnitude 6.8 earthquake struck northern Chile early on Wednesday morning, the GFZ German Research Center for Geosciences (GFZ) said.

The quake struck at a depth of 145 km (90 miles), GFZ added.

The US Geological Survey said the epicentre of the earthquake was about 62 km southwest of San Pedro de Atacama.

There were no immediate reports of casualties or damage.

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