There’s been a couple in the +5 category since the big one.
MAP 5.3 2011/07/06 21:04:03 -29.337 -176.114 16.8 KERMADEC ISLANDS REGION
MAP 5.6 2011/07/06 20:35:39 -29.564 -176.203 10.0 KERMADEC ISLANDS REGION
MAP 7.6 2011/07/06 19:03:17 -29.312 -176.204 20.0 KERMADEC ISLANDS REGION
Yeah happened right after I posted that....lol
However the wave signature either suggests a much weaker main quake or we indeed just are seeing a forequake sequence. I have not seen it lowered yet at far as the magnitude so we shall see if that fault ruptures close by even larger.