Kōkiri Learn

Background reading · Social Sciences

Two earthquakes, two stories: Canterbury and Kaikōura

The Canterbury earthquakes and the Kaikōura earthquake taught New Zealand hard lessons about where we build, how we help each other and how we recover.

Earthquakes are not only about rocks. They are about people: where they live, how they help each other, and the choices they make afterwards.

Canterbury, 2010 and 2011

At 4.35 am on 4 September 2010, a magnitude 7.1 earthquake shook Canterbury. Buildings were damaged but nobody was killed, partly because it struck while people were at home in bed. Then, at 12.51 pm on 22 February 2011, a smaller but much closer earthquake struck right under Christchurch. The shaking was violent. 185 people died, many in two city buildings that collapsed.

  • Direct impacts: deaths, injuries, collapsed buildings, broken roads and pipes, and thick liquefaction silt in the eastern suburbs.
  • Indirect impacts: businesses closed for years, families moved away, schools merged, and many people struggled with stress and worry long afterwards.
  • People helping people

    Thousands of students formed the Student Volunteer Army and shovelled silt from neighbours' sections. Communities set up food stations and checked on older people. Later, the government decided that more than 7,000 homes on the worst-damaged land beside the Ōtākaro Avon River should not be rebuilt. That land, the red zone, is slowly becoming a park, wetlands and walking tracks.

    Kaikōura, 2016

    Just after midnight on 14 November 2016, a magnitude 7.8 earthquake ripped along more than 20 faults. Two people died. Parts of the coast were pushed up several metres, lifting seabed, pāua and seaweed out of the water. Thousands of landslides blocked State Highway 1 and the railway, cutting the town off by road. A tsunami reached the coast, with the largest waves at Goose Bay.

    What changed

    After these earthquakes, New Zealand strengthened the rules for older buildings, improved warning systems and learned how important neighbours are in the first days. Each one showed that good planning and strong communities save lives.

    Sources and further reading

    Written for Kōkiri Learn students in our own words. Check facts against the sources.

    Used in: Shaky Isles: Hazards and Getting Ready