Earthquake Case Studies

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  • Created by: FloraD
  • Created on: 05-06-16 14:09

Chile Quake

Date: Saturday 24th of February, 2010, 3:30am

Location: Offshore of Chile, Pacific Ocean - 70 miles North East of the second city of Conception

Richter: 8.8

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Effects

Primary

  • 708 dead
  • 1.5 million people affected
  • 500,000 homes destroyed
  • Roads and bridges collapsed
  • 90% of Curico was destroyed

Secondary

  • It became very difficult to reach people who had suffered during the quake
  • Troops were deployed as well as army
  • A curfew was established to prevent crime
  • A tsunami - 1m+ high - hit Japan 24 hours later
  • The port was severly damaged
  • The 'Ring of Fire' warning system was improved
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Responses

  • The curfew and troops were put in place in order to prevet looting
  • There was an immediate release of emergency funds for those effected
  • The USA gave huge support both in terms of money and physical presence
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Haiti Quake

Date: Tuesday 12th of January 2010, 4:53pm

Margin: Caribbean and North American

Location: 10 miles from Port-au-Prince, Haiti, Caribbean - Dominican Republic

Richter: 7.0

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Effects

Primary

  • Roughly 316,000 peple died due to the earthquake
  • 250,000 residencies and 30,000 commercial buildings either collapsed or became seriously damaged
  • Schools and hospitals were also damaged/flattened
  • In total, 3 million people were affected

Secondary

  • There were a total of 52 aftershock = 4.5 richter
  • The port was significantly damaged - ship deliveries became impossible
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Responses

  • Many countries were involved in aid (US)- humanitarian, pledging funds, dispatching rescue, medical teams
  • The Red Cross dispatched a relief team
  • UN World food programme flew in two planes with emergency aid
  • UN secretary general released £6.15 million
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Italy Quake

Date: Monday 6th April 2009, 3:30am local time

Location: The epicentre was close to the city of L'Aquila - 60 miles North East of Rome

Richter: 5.9

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Effects

Primary

  • 308 people known to have died
  • 10,000-15,000 buildings were destroyed
  • Aprox 1,500 people injured
  • Many streets inpassable due to fallen masonry
  • Aftershocks for 2 days
  • National Museum collapsed

Secondary

  • 40,000 homeless - in tented camps
  • 10,000 housed in hotels on the coast
  • Billionaire PM said he would offer his own house to some survivors
  • Discovery of how poorly built some buildings were - some made of sand
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Responses

  • People had to clear and move the debris that littereed the streets by hand - mix of civilians and trained professionals
  • Shelter tents were provided in massive camps
  • Coffins were lined up in fields
  • 4,000 rescuers deployed
  • 4,000 beds in hotels reserved for survivors
  • PM told inhabitants to treat it like a weekend camping "go to the beach"
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Christchurch (NZ) Case Study

Date: 22nd of February 2011, 12:51pm local time

Location: Cantebury region of New Zealand's South Island - epicentre was 2km west of the port town of Lyttelton

Richter: 5.9

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Effects

Primary

  • 5,000 were left with no power
  • 181 are estimated to have been killed
  • Magnitude was 7.1 - Worst natural disaster to hit area in 80 years
  • 30 people were trapped in Pyne Gold Guinness building
  • Liquefaction - produced 400,000 tonnes of silt
  • Road surfaces were forced up by liquefaction - water and sand pouring out - surface flooding
  • 2 buses were crushed by falling buildings

Secondary

  • 10,00 houses and 1,000 commercial buildings needed demolishing
  • 50,000 people were without power for several days
  • No water supplied to victims
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Responses

  • Recovery cost $15 billion (NZ dollars)
  • 50,000 residents relocated to other countries
  • Evacuation of buildings
  • Global insurance premiums needed to inc. to cover payout
  • Japanese search and rescue squads
  • An inquiry into the structure and safety of remaining buildings - 45% of buildings given yellow sticker
  • fire officias deployed as well as police and rescue squads
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