Quake rattles mine site

Key points

• A magnitude 2.3 earthquake struck beneath the Cadia Valley gold and copper mine in New South Wales at about 10.25am on Friday 9 October, according to Geoscience Australia. The tremor was felt at 10 locations, all reporting weak or light shaking.
• Mine operator Newmont said the event caused no disruption to operations and no effects on personnel or infrastructure. It is unclear whether the quake was linked to mining activity.
• Earlier this year, a magnitude 4.5 quake shut underground operations at the site for days.