Nine Australians feared missing after the Indonesian tsunami are safe and well.

Around 50 New Zealand surfers could have been in the Indonesian area where a small tsunami caused by a 7.7 earthquake hit early this morning.

Surfers on a charter boat jumped into the water when a three-metre high wave forced another boat into their craft, causing an explosion.

A star-studded line-up of Kiwi musicians will perform tomorrow in earthquake-hit Christchurch.

Some Christchurch residents don't know when their land will be fixed or how they'll live meantime.

The demolition of an earthquake-ravaged historic building has begun despite an outcry from heritage campaigners.

Aftershocks have continued this afternoon after a magnitude 5.0 quake hit late this morning, causing panic, power outages and damage.

Civil Defence say today's 5.0 aftershock would have felt on the ground like a magnitude 7 quake.

Demolition has begun on one of Christchurch's most famous buildings, Manchester Courts, which suffered irreversible damage during the massive September 4 earthquake.

A pioneer homestead shattered by the Canterbury earthquake is to be pulled down.