Wanaka was rocked by a magnitude 4.3 quake this afternoon.
The tremor struck at 4.12pm, was 15km deep and was centred 50km north-west of the South Island resort town.
St John said there were no reports of injuries following this afternoon's earthquake near Wanaka.
"St John advises people to always make sure they have their emergency kits and other items ready in case of any emergency, and to also keep in contact with their friends and family, and especially any neighbours who may be elderly or alone."