New Zealand Earthquake

Created by: chapas
Created on: 28-04-18 13:08

When

22 February 2011 at (12:51 during day)

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About Earthquake

6.3, epicentre 6 miles SE of Christchurch, shallow focus (3 miles), conservative plate margin (PACIFIC and AUSTRALAIN plates), aftershock of 2010 earthquake

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Primary Impacts

181 DEATHS, 2,000 INJURED, 80% city no electricity, water+sewage pipes damaged, earth rose 1m, rock falls in hills, +50% Central City buildings damaged -cathedral lost spire, LIQUEFACTION-damage roads+buildings

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Secondary impacts

damaged roads- difficult for emergency services, flooding - liquefaction (up to knee), 1000s homes demolished, businesses negatively impacted (loss of jobs) + Christchurch not host Rugby World Cup, schools share classrooms, pop. neg mentally effected

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Immediate repsonses

urban search + rescue within hrs, emergency cabinet meeting, Canterbury Art centre-emergency response centre, 300 Aus police -cordons, evacutaion, search+resuce, missing persons, chemical toilets for 30,000 residents, areas zoned-classify repairs

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Value of international aid

$6-7 million

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What did the Earthquake Commission do?

assess buildings safety

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Long term responses

water + sewage restored by Aug, roads + houses (cleared of silt by liquefaction) by Aug, Red Cross- grants for electricity costs for fam with kids -5yrs, $898 mill building claims, temp housing + all damaged housing kept water tight,

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How risk managed?

regular earthquake drills, all modern buildings built to be earthquake proof, any old buildings have been retrofitted

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Why 2011 aftershock have greater effect than 2010 earthquake?

2010 earhtquake at night, most people in bed, buildings are earhquake proof, although weakened, no collapse - no death. 2011 aftershock, middle of day- lots of people out, when already weakened buildings collaspsed more people were injured/killed

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Other cards in this set

Card 2

Front

About Earthquake

Back

6.3, epicentre 6 miles SE of Christchurch, shallow focus (3 miles), conservative plate margin (PACIFIC and AUSTRALAIN plates), aftershock of 2010 earthquake

Card 3

Front

Primary Impacts

Back

Card 4

Front

Secondary impacts

Back

Card 5

Front

Immediate repsonses

Back

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New Zealand Earthquake