Natural Hazards
- Created by: Emily
- Created on: 07-02-18 09:25
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- Natural Hazards
- Natural Hazard:A natural event that threatens people or has the potential to cause damage, destruction and death.
- Hazard Risk: The probability or chance that a natural hazard may take place.
- The effects of and responses to, a tectonic hazard vary between areas of constructing levels of wealth.
- Factors affecting hazard risk
- Frequency (It happens)
- Magnitude of the event
- The ability of people to cope with it.
- Effects: What happens as a result, response what people do.
- Factors affecting hazard risk
- Monitoring the risk of earthquakes
- Seismologists
- Radon gas
- Detect devices
- Monitoring the risk of volcanoes
- Tiltmetres
- GPS
- Ground surface areas
- Sulfur dioxide
- Types of plate boundaries
- 1.Constructive
- Magma from the mantle, moves up to fill the gap. E.g. Shield volcanoes, non violent.
- 2a. Destructive (Collision)
- Two plates coming together & are the same type which buckle up. E.g. Fold mountains
- 2b.Destructive (Subduction)
- One continental & one oceanic which sinks underneath the continental plate. E.g. Violent volcanoes
- 3. Conservative
- Moving in opposite directions, leads to violent earthquakes.
- 1.Constructive
- Natural Hazard:A natural event that threatens people or has the potential to cause damage, destruction and death.
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