A magnitude 5.5 earthquake has rocked the north-western South Island on Sunday afternoon and has been felt across the country.
GeoNet said the earthquake struck just after 4.15pm about 70km north-east of Collingwood, and was recorded at a depth of 189km.
More than 13,000 people have responded to GeoNet's online alert that they felt the quake, the majority of them in the central and lower North Island.
GeoNet tweeted: "Wow, a lot of you felt that! A M5.5, 190 kilometres deep, centred offshore in the Whanganui Basin. We received around 13,000 felt reports from all over New Zealand."