Here are the epicentral data for the second event. Not an aftershock of the first at all.

INSTITUTE OF GEOLOGICAL & NUCLEAR SCIENCES LTD.

The following earthquake has been recorded by the Institute

Reference number: 1814129/G
Universal Time: 2001 November 9 1148
NZ Daylight Time: 2001 November 10 12.48 a.m.
Latitude, Longitude: 40.68°S 174.65°E
Location: 40 km north-west of Paraparaumu
Focal depth: 78 km
Richter magnitude: 4.7

Light sleepers on the Kapiti coast probably felt this