Researchers begin to analyse effects of quake

Audio, Radio New Zealand

Some parts of central Christchurch may have been hit by rogue seismic energy during last week's earthquake, amplifying the level of destruction.

Cathedral Dean speaking to Nine to Noon

Audio, Radio New Zealand

One of the most potent symbols of the earthquake has been the massive amount of destruction caused to Christchurch's Anglican Cathedral, including the toppling of its spire.