Case Study - Sierra Leone Freetown Landslide

Two contemporary contrasting case studies for mass movement hazards

percentage poverty in sierra leone

60

percentage access to clean water in sierra leone

50

what is the literacy rate in sierra leone

48%

how many doctors per 1000 are there in sierra leone

0\.5

what percentage of sierra leone are food insecure

73

when did the landslide happen (day month year)

14/8/17,

what rainfall patterns caused a mudslide

3 days of torrential rainfall, three days of torrential rainfall

what time of day did the landslide happen

early morning

what mountain partially collapsed due to rainfall

sugarloaf mountain, sugarloaf

what happened to rivers due to mudflows (3 things)

filled with sediment, pollution, changes to drainage patterns

what forms of infrastructure damage were caused by the mudslides (3 things)

buildings, transport, electricity

how many people were killed by the landlside

1141

how many people were left homeless or in camps

3000

why were water-borne diseases not a major issue following the landslides

aid brought in clean water

why did power outages occur

power was shut off to prevent accidents`

what was the effect of the landslide on biodiversity

biodiversity loss, loss, decrease, damage

how many schools are in a disaster management outreach program

103

what damaged natural drainage systems

deforestation

what human factor worsened drainage systems

poor infrastructure

what blocked drainage systems

waste, rubbish

what was built in floodplains (2 things)

development projects, poor communities

what materials are used in traditional house construction (4 things)

mud, straw, wood, clay

how much did the EU date for humanitarian aid ($)

301,500

how many cholera vaccines were given in response to the danger of a cholera outbreak

500,000

how many families were in camps/temporary housing 3 months after the landslides

500, 500 familes