Was there any aftershocks?
Following the large magnitude 6.3 earthquake that occurred on the 22nd February 2011, there were over 361 aftershocks ranging from magnitude 1.1 to magnitude 5.8.
On the 13th June 2011, the biggest aftershock struck Christchurch measuring in at a magnitude 6.4, although this aftershock measured bigger than the the main earthquake on the 22nd February 2011.This aftershock was much more powerful but didn't cause as much damage as the magnitude 6.3 earthquake because of the depth of it.
Here is a table sourced from Wikipedia showing all the large aftershocks from the 22nd February 2011.
Following the large magnitude 6.3 earthquake that occurred on the 22nd February 2011, there were over 361 aftershocks ranging from magnitude 1.1 to magnitude 5.8.
On the 13th June 2011, the biggest aftershock struck Christchurch measuring in at a magnitude 6.4, although this aftershock measured bigger than the the main earthquake on the 22nd February 2011.This aftershock was much more powerful but didn't cause as much damage as the magnitude 6.3 earthquake because of the depth of it.
Here is a table sourced from Wikipedia showing all the large aftershocks from the 22nd February 2011.