New Zealand is a globally a very seismically active area ; 6.3 quakes September . Seismologists had predicted only a one in one chance September 's quake would be so destructive . `` The country is very seismically active . CNN 's 6.3 magnitude quake was an aftershock of a larger earthquake in September .
New Zealand is a globally a very seismically active area ; 6.3 quakes September . Seismologists had predicted only a one in one chance September 's quake would be so destructive . CNN 's 6.3 magnitude quake was an aftershock of a larger earthquake in September .