Jen in N.Z.
Is this the earthquake you are referring to?

INSTITUTE OF GEOLOGICAL & NUCLEAR SCIENCES LTD.

The following earthquake has been recorded by the Institute

Reference number: 1813287/G
Universal Time: 2001 November 5 1728
NZ Daylight Time: 2001 November 6 6.28 a.m.
Latitude, Longitude: 41.93\260S 174.02\260E
Location: 30 km south of Seddon
Focal depth: 5 km
Richter magnitude: 3.6

Probablly felt in Seddon area. Two events, second a bit bigger.

This information is of limited accuracy and provided on a "best endeavour"
basis from a sparse network of seismographs. The size of the earthquakes
greater than magnitude 7 will be underestimated. Damaging earthquakes may
disrupt the information centre and the delivery of these messages.

GNS accepts no liability for any loss or damage, direct or indirect, resulting