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GEOGRAPHY A-LEVEL CASE STUDIES- hazards

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includes hazards case studies for tropical storms, wildfires, multi-hazardous places, volcanoes and earthquakes

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HAITI- EARTHQUAKE JAN 2010


Background:

 HDI of 0.471 in 2014
 96% at risk from deaths of two hazards
 80% are below the Bank poverty line
 51.2% fertility rate- growing population numbers
 Life expectancy is 62.8 years, the world’s lowest 10%
 Population of 11.45 million in 2021
 Total GDP of $20.94 bn USD in 2021
 GDP per capita of $1,829.59 USD in 2021 and most peoples incomes are reliant on remittance
(32% of GDP)
 Poorest country in the western hemisphere and least developed
 Agriculture is 27.9% of GDP by sector
 13.2% unemployed
 Government debt is 31.1% of GDP

Physical causes:

 Sits on a fault line between the North American plate and the Caribbean plate.
 The Earthquake occurred on a conservative boundary- creating a magnitude of 7
 Caused by a slip in the Enriquillo-Plantain Garden fault, caused a thrust of 1.8m, destroying 60%
of the capital.
 Focus was 13km (8.1 miles below Earth’s surface)
 Epicentre near the town of Léogâne, 25km away from Port-au-Prince (capital)
 Multi-hazard hotspot: hit by 4 storms in one month (2008)
 Las major earthquake was in 1942

Primary impacts:

 Large swaths of forest have been cut down for charcoal, leading to denuded mountains. The lack
of trees, that roots bind the soil together, increases the landslide hazards following rainfall.
 200,000 deaths
 188,000 homes damaged
 19 million tonnes of rubble and debris produced
 Cholera outbreak

Aid:

 MSF provided 28,000 tents, 85,000 emergency kits, saving 20,000 lives
 USA sent rescue teams of 10,000 troops
 UK govt sent £20 million in aid
 Dominican Republic first to send aid such as water, food, heavy lifting machinery also allowed
crossing the border to receive treatment from their hospitals.
 The UN lost 100 personnel in the earthquake and NGOS could not put a plan together
 The World Bank helped them clear half of their debt and giving 5 years to repay the other half
 The World Bank helped community projects to rebuild homes in local communities, but only in
some areas.

, Secondary impacts:

 Aid was slow to arrive, due to airport damage rescue teams around the world took 48 hours to
enter Haiti.
 The port was unusable because of damage and so was the control tower and the only runway.
 Aid piled up at the airport due to lack of transport, so food and water took days to arrive
 3 million live in slums because of rapid urbanisation so homes and buildings weren’t built to
survive these events beforehand
 Shortages of doctors meant that people died from having injuries like broken limbs.
 1.5 million left homeless




HAITI- HURRICANE TOMAS OCT 2010



 Tomas developed from a tropical wave east of the Windward Islands
 Tomas quickly weakened to a tropical storm in the central Caribbean Sea, due to strong wind
shear and dry air. Tomas later intensified into a hurricane near the Windward passage.
 44 fatalities
 Flooding exacerbated the cholera outbreak and caused landslides has now killed more than 442
people here.
 Flooding was ankle level
 Overall damage from the storm was $463.4 million.
 85 mph wind speed
 Category 2
 The storm moved to Cuba
 Caused some fatalities in St Lucia
 The Haitian government issued an orange storm alert, one level short of the highest state of
alert, and warned for the possibility of winds, thunderstorms, and flooding.
 The UN reported that Tomas affected the agriculture sector the most severely. Fields were
flooded, crops destroyed, and livestock were also affected.
 Shelters were swept away by strong winds and rains and falling rock have cut off several roads
and led to the deaths of many animals.
 Tomas damaged the coffee crop and other crops such as bananas.
 800 workers from save the children already located there for aid




EYJAFJALLAJUKUL VOLCANO- ICELAND

Background:
 Consists of a stratovolcano that is covered by ice caps covering 100sq km.
 Erupted between March and May 2010
 Big E is within a chain of volcanoes in the SE rift zone
 Located on the mid Atlantic ridge, where a constructive plate margin separating the N. American
and Eurasian plate, moving by ridge push along the mid-Atlantic ridge.

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