Christchurch, New Zealand Earthquake 2011

Description

A level Geography (Tectonic Hazards) Flashcards on Christchurch, New Zealand Earthquake 2011, created by Wesley Spearman on 12/01/2018.
Wesley Spearman
Flashcards by Wesley Spearman, updated more than 1 year ago
Wesley Spearman
Created by Wesley Spearman about 6 years ago
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Resource summary

Question Answer
What boundary is New Zealand located on? Conservative/Transform
What was the magnitude of the earthquake? 6.3 (Richter scale) Cat. 9 on Mod. Mercalli
How many casualties were there? 185 deaths. 1,000s injured
What was the main cause of the deaths? Multi-storey buildings collapsing
What secondary hazard was caused by the earthquake and what were the effects of it? Liquefaction. Soil loses strength & stiffness, begins to behave like a liquid. Sand & silt brought up from beneath surface broke through cracks in ground. Water & sewage from broken pipes flooded streets
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