Tectonics: Christchurch Earthquake

Question 1

what was the date and location of the Christchurch earthquake?

Answer 1

22nd of February, 2011

Epicentre was 10km south-east of Christchurch

Question 2

what were the key facts of the Christchurch earthquake?

Answer 2

6.3 Moment Magnitude Scale

Hypocentre was shallow, 5km below the surface

Question 3

what were the key impacts of the Christchurch impacts?

Answer 3

185 deaths

$40 billion in damage and 80% of buildings in the CBD were destroyed

130km of sewage and water pipes destroyed

Question 4

what were the impacts of liquefaction of the Christchurch earthquake?

Answer 4

Liquefaction in eastern suburbs produced around 40,000 tonnes of silt and caused 1.5m of lateral movement