Download - Ledc case study haiti
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Tectonic Hazards
LEDC Case Study – Haiti earthquake 2010
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Continental drift?
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Recap : tectonic plate boundariesRecap : tectonic plate boundariesConvergent plate (aka destructive/collision) - When plates collide together - Subduction - Forms volcanoes / mountains
Divergent plate (aka constructive) - When plates spread apart - Allows magma to the surface - Forms volcanoes / hot spots / islands
Transform plate (aka conservative) - When plates slide past one another - Creates friction - Causes earthquakes
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Exam Qs Recap
Draw an annotated diagram to show how the movement of tectonic plates can cause earthquakes. [4marks]
Suggest some possible consequences of earthquakes and explain the impact on people. [3marks]
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Plate tectonics
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Haiti Earthquake 2010 – an LEDC case study of a tectonic Hazard
What you need to know:
•Background to Haiti
•What happened?
•Primary and secondary effects
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Background
• Small Caribbean country, part of Dominican Republic island
• The poorest country in Latin America based on HDI (human development index )
• Politically unstable• Capital = Port-au-Prince• $GDP per capita = $697
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• Google Earth files
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What happened?
• 12 Jan 2010• 7.0 magnitude
earthquake• Epicentre was
25km west of the capital Port-au-Prince
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Watch the news
• Haiti earthquake
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Classify into primary and secondary effects300,000 people injured Cholera outbreak due to
poor santiation250,000 dwellings destroyed or badly damaged
International airport unusable
The heat and humidity started to decay corpses left in the rubble, leading to disease
230,000 Dead People sleeping in the streets as they feared the effects of aftershocks on damaged buildings
No telephone system, no internet or mobile phone signal
Electricity Supplies Damaged
Major confusion – public were not sure what was going on
Hospitals destroyed Mass graves dug
Main prison destroyed so 4,000 inmates escaped
500,000 people still living rough when rainy seasoin began in March
Key government buildings destryed
Haiti’s economy could not sustain its population before the disaster, 1 in 5 jobs were lost after the earthquake
International Migration into neighbouring Dominican Republic
Roads blocked 3,000 temporary tent schools set up
Relied on international aid for recovery (e.g. charity, foreign governments)
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Facts and figures – 1 year on
• Describe the trends.
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• One Year On
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Watch the silent news clip.
• BBC news clip
• Construct a 1min news report that describes the earthquake and the primary and secondary effects.
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Exam Qs
• ‘Explain how the movement of plates causes earthquakes along a Convergent plate boundary’ [3marks]
• “With reference to a case study you have studied, describe and explain the effects of the earthquake” [3marks]
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Chose an image. Write a caption describing primary and secondary effects of the earthquake