Hazard Managment Flashcards
Examples of how countries attempt to reduce vulnerability
Eevacuation of areas to safety
Preparations for the event
Risk assessment by authorities and insurance companies
Allowing providers of post event aid to be prepared
Why predict tectonic hazards ?
Reduces impacts:
Evaluate and prepare to reduce death toll
Development of management plans
Risk assessments cost-benefit analysis is
Actions to mitigate the event can be prepared by authorities
What evidence basis is used for prediction?
Past records and recurrence interval
Allows assessment of likelihood of event
Allows add any of what you of event
Monitoring activity asses importance of changes that occur
Who is prediction for ?
Save lives if correct
Make situation worse by creating panic
Compliance may deplete if continually warned incorrectly
Can attract visitors to area
Where are tectonic hazards predicted ?
Regional scale : easier to predict e.g margins and hotspots
Local scale : difficult export for fixed point hazards such as volcanos
Predicting what ?
Magnitude
Helps anticipate impacts and manage the response
Very limited for earthquakes
Volcanic eruption
Based on activity and past eruptions
Potential impacts:
AIDS the organisation of a response to the event for example the type of aid required
Predicting when?
Long-term advance warning only generalisations based on plate margins hotspots and recurrence intervals
Short term warning
Not yet possible for earthquakes
Possible to an extent for eruptions
Tracking tsunamis allows estimation of time of arrival
How can loss be modified
Aid from governments help reduce as well as supply clean water food and shelter
Insurance :
Mainly available in economically wealthy nations
Due to risk factor cost too high to outweigh benefits
Individuals responses may adopt changes to help modify losses in future hazard events
