A 4.1 magnitude earthquake has hit Christchurch overnight.
The quake struck at 3.38am, 20km east of Christchurch, at a depth of 10km
GNS Science said the quake was felt across Canterbury.
Earlier, two small earthquakes struck on the Hawkes Bay.
A magnitude 3.4, centred 20km north of Napier at a depth of 30km, struck at 1.48am, and was followed by a magnitude 3.6, centred 30km southeast of Havelock North at a depth of 20km, at 2.06am.
