Which devastating earthquake struck Christchurch on 22 February 2011, killing 185 people and causing widespread destruction across the central city?

• A The Napier earthquake
• B The Canterbury earthquake ✓
• C The Kaikōura earthquake
• D The Edgecumbe earthquake

The magnitude 6.3 Christchurch earthquake, an aftershock of the September 2010 Darfield quake, was particularly destructive because of its shallow depth and proximity to the city centre.