Rio mass movement

Question 1

2011 causes

Answer 1

180mm of rainfall in 24 hours
soil already saturated
triggered 1000s of landslides
convective system pushed upwards by southern frontal system, resulting in development of cumulonimbus clouds

lack of urban planning and drainage
settlements built on steep slopes (45 degrees +)
deforestation
50% buildings built in illegal areas

Question 2

impacts

Answer 2

tourist destination Cuiba Valley almost destroyed
debris collected increased destructive power of flow

1000 fatalities
impacts to infrastructure and services resulted in 50% of losses
$2 billion + costs
tourism hit hard

Question 3

management

Answer 3

2010 - risk map for district
2017 survey identified 15000 homes at risk but no action

response
$466 million emergency aid
field hospitals set up

developed number of disaster risk management interventions
risk identification
disaster preparedness and response
policymaking
economic analysis

Question 4

2022 causes

Answer 4

415mm in 10 hours
deforestation due to expansion of agriculture
unplanned urban development

Question 5

impacts

Answer 5

245 dead
1000s evacuated

Question 6

management + response

Answer 6

zoning regulation but not enforced
early warning systems using weather forecast
evacuated high risk residents to safer areas

search and rescue afterwards
$100000 US humanitarian aid
federal gov. gave almost %500000