KEY POINTS:
An earthquake measuring 3.7 on the Richter scale jolted Wanganui last night.
The quake, at 11.42pm, was centred 20km south of Wanganui at a depth of 12km.
It would have been felt in Wanganui, GNS Science said.
- NZPA, NZ HERALD STAFF
* An earlier version of this story incorrectly said the earthquake occurred this morning.
