Lecture 8: Plate tecs and hazards 3 Flashcards
1
Q
Who cares about hazards?
A
- Government
- Engineers
- Planners
- Insurers/reinsurers
- Emergency managers
- Us
2
Q
What is the equation for Risk in terms of hazards?
A
Risk = Hazard x consequences
Hazard = the natural process
Consequences = potential loss of life and property
3
Q
What is the difference between a high risk and low risk hazards for areas that both have High Seismic activities?
A
Wellington has HIGH seismic and tsunami hazard and HIGH risk
Coastal Fiordland has HIGH seismic and tsunami hazard, and LOW risk
4
Q
What shaking are small buildings most sensitive to?
A
Small buildings are most sensitive to rapid shaking
5
Q
What shaking and tall buildings most sensitive to?
A
Tall buildings are most sensitive to long rolling motions
6
Q
What are some hazards of a volcano?
A
- Ashfall, pyroclastic density currents (PDCs), lahars, lava flow, gas discharge
