1.20 Trends Flashcards
what has happened to reported disasters and deaths since 1960
risen dramatically since 1960
number of deaths decreasing
how have the number of tectonic distastees changed
remained fairly steady with minor fluctuations
in the 20th century what percentage of hazards were earthquakes and volcanic eruptions
- 2
0. 1
what natural hazard events have increased the most in occurrence
hydro meteorological hazards
slow onset events like droughts and famine
how much has population risen. by since 1960
4.3 billion
why is an increase in number of mega cities bad
10 million + popululation - more ppl occupying hazardous spaces and more impermeable concrete surfaces
economic costs increase w level of development
why are more disasters reported
better technology and means of communication means that more are reported
why are ‘disasters’ difficult to measure
no agreed definition of disaster or how to measure it
why is the number of people affected subjective
who defines what an earthquake related death includes
- indirect injuries from secondary hazards
how long du record for?
why is historical data difficult to compare with current data
methods of reporting changed significantly over time
why does informal economy make statistics skewed
people who are not registered (esp in mega city squat settlements) due to illegal business
data collection during emergency
not a priority - not one single organisation is responsible for it
how do governments skew data reliability
overstate casualites (more aid) understate (nationalism)
