Geography
- Created by: RDinning
- Created on: 30-09-15 09:25
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- Living in a Active Zone
- Key Words
- Shield Volcano- wide base, Runny lava,
- Strato Volcano- Made up of layers, sticky lava
- Constructive plate margin- Plates move away from each other
- Destructive plate margin- Plates move together
- Primary hazards
- Pyroclastic Flow
- Tephra- burning clouds of gas and ash
- Lahars- Ash and gas wixed with water to make a flowing cement
- Secondary Hazards
- Fires
- Transport difficulties
- Rubble
- Tsunamis
- Earthquakes
- Occur when plates move passed each other and get stuch
- Sichuan 2008
- 7.9 on the Richter scale
- 87,000 people dead
- Why do people live near a volcano?
- Geothermal Energy
- Volcanic ash fertilises Soil
- Monitoring Volcanoes
- Seismograph- pick up tremours
- GPS detects deformed land
- Tiltmetres record movement
- Gas readings monitor sulfur dioxide levels
- Hazard Mapping
- Coping with natural hazards
- LEDC's evacuate people, search for survivors, temporary camps, medical supplies
- MEDC's spray water from planes to cool lava, earth channels to divert lava flow,
- Long term- LEDC's- Basic warning system MEDC's- Train people to cope with disaster, educating young people, New buildings
- Key Words
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