Saturday's 7.1 magnitude earthquake struck some 30km west of Christchurch, near the town of Darfield.
Map: Christchurch earthquake damage
KEY
Red marker: Epicentre
Blue markers: General damage
Green markers: Public service advice and information
Yellow markers: Locations of welfare centres
Purple markers: Damage to historic buildings
Pink markers: Buildings set for demolition
View Christchurch earthquake in a larger map
