Some Christchurch renters fleeing the shaken city are getting little charity from landlords, who are trying to keep them locked into contracts.

Commitment shown by business leaders to help Christchurch recover is a show of solidarity but also the right call economically, says BusinessNZ chief executive Phil O'Reilly.

The death toll has increased to 147, and with more than 50 people unaccounted for, it will be higher than 200, police said tonight.

A leading structural engineer says our cities may have been "a little passive" about strengthening our buildings.

Christchurch's damage is on par with Haiti, says Helen Clark.

Relief workers from New Zealand and overseas are working tirelessly in Christchurch.

Officials say 'horrendous' injuries are making victim identification difficult, as the massive rescue effort continues.

A round-up of the current situation in Christchurch as rescuers continue scouring the shattered city for survivors.

It is 12.51 pm when the earthquake strikes. I have just finished my coffee, am halfway through a toasted sandwich and my girlfriend has just asked me how my day has been.

Owen Wright survived the earthquake to help others. He was killed as he returned to his family.

Specialised search teams tunnel through the darkness to find survivors of the quake.

Experts believe a good number of families will depart the damaged city - and maybe the country - for good.

The earthquake has brought out the best in people - and sadly, the worst.

Damaged Cathedral becomes a rallying point for the people of a hurt and devastated city.