These are updates from New Zealand's Ministry of Civil Defence & Emergency Management. It gets updated from time to time, so please do check back to this website for more information :
" Christchurch City Council Civil Defence and Selwyn District Council have declared a state of local emergency.
Selwyn, Waimakariri and Timaru have activated their emergency operation centres
There are no reports of deaths however there have been reports of injuries.
There are power outages in the northwest of the city although the CBD is operating normally.
Water and sewage have been affected in several regions.
Residents should conserve water.
All Selwyn residents are being asked to conserve water, but especially in Rolleston. Rolleston water supply is contaminated. Minimise water use, e.g. flushing toilets.
EQC earthquake damage claims
Homeowners with insured properties that have been damaged by the earthquake can lodge a claim with the Earthquake Commission. Call EQC’s free phone number 0800 DAMAGE 326 243. People have up to 3 months to make a claim. EQC Chief Executive Ian Simpson says he expects thousands of claims over the next few days and advises people who strike a busy signal to keep trying the lines."