Lectures 1&2 Flashcards
Natural disaster
Extreme natural events where large amount of energy is released in a short period of time
What do natural disaster involve
Casualties, disruption to society and large economic loses
When do natural hazards become natural disasters
When they intersect with vulnerable communities
Frequency(F)
Number of occurrence in a given length of time
Return period (P)
Length of time between similar events
What’s are F and P based on
Statistical probabilities
Magnitude (M)
Amount of energy fuelling a natural events
Besides knowing F M P what should be considered for that given area
Cost-benefit analysis
The number of great natural disaster is ________ with _______
Increasing time
The number of _____-______ disasters has been _________ in recent years
Man made decreasing
What type of disasters bring the lay fatalities and damage
Storms and floods
Where on earth can the most disasters be found
Asia
Where do natural occur the most
Densely populated area
The number _______ disasters _______ is ________ with time
Natural fatality increasing
_____ losses from natural disasters are ______ with time
Economic increasing
Risk
Vulnerability x Hazards
What is an example of a high risk
Downtown Vancouver x large earthquake
What is an example of a low risk
Arctic Canada x large earthquake
What is over reliance on technology
Failure of a technological network can cascade in a domino effect
What are factors that increasing vulnerability
Poverty and affluence
Affluent lifestyle
Social behaviour
Role of government
What is Public Safety Canada (PSC)
Focused in managing emergencies
What are the 4 pillars of emergency management
Response
Recovery
Mitigation
Preparedness
What are the effect of destruction and disabling of building
Costly
What happens when industries and business are knocked out of operation
Causes lost in productivity and wages for employees
Why is Canada’s population exposed to many types of natural hazards
Canada has a rich diversity
Where in Canada can tsunamis hit
Coastlines
Where in Canada can earthquakes hit
Western Canada
The number of natural disasters in _______ are ________
Canada decreasing
Why are the number natural disaster fatalities in Canada decreasing
Imporved engineering Long term prevention Extensive disaster education Better warning systems Rapid intervention.
What are the economic losses most due to in Canada
Whether related disasters
Mitigation
Involve actives to reduce risk
Adaption
New term emerged with the debate on climate change
