KEY (how to read the map):
Red markers: Aftershocks on September 4.
Blue markers: Aftershocks on September 5.
Yellow markers: Aftershocks on September 6.
Green markers: Aftershocks on September 7.
Purple markers: Aftershocks on September 8.
Pink markers: Aftershocks on September 9.
Dark blue markers: Aftershocks on September 10.
Black markers: Aftershocks on September 11.
Red dot markers: Aftershocks on September 12.
Green dot markers: Aftershocks on September 13.
Yellow dot markers: Aftershocks September 14.
Dark blue dot markers: Aftershocks September 15.
Pink dot markers: Aftershocks September 16.
Purple dot markers: Aftershocks September 17.
Blue dot markers: Aftershocks September 18.
Black dot markers: Aftershocks September 20.
Grey markers: Aftershocks September 21.
White markers: Aftershocks September 22.
Orange markers: Aftershocks September 23.
Blue pins: Aftershocks September 24.
Green pins: Aftershocks September 25.
Red pins: Aftershocks September 26.
Blue pins: Aftershocks September 27.
Yellow pins: Aftershocks September 28.
Pink pins: Aftershocks September 29.
View Christchurch earthquake: Where the land shook in a larger map
