An earthquake has struck the NSW Central Tablelands right next to a gold mine where workers were forced to take shelter underground due to a larger quake just two months ago.

An earthquake has struck the NSW Central Tablelands right next to a gold mine where workers were forced to take shelter underground due to a larger quake just two months ago.

A magnitude-3.4 earthquake within the Newmont Cadia Gold Mine site, south of Orange, is felt by people in surrounding areas.