Unit 1A - Tectonic Hazards - Living with tectonic hazards and key terms Flashcards
6 reasons why people decide to live close to volcanoes?
- Always lived there, leaving friends and family
- Employed there, have to find new job
- Confident of support from government after event
- Event may not occur, slim chance
- Soil around volcano is very fertile
- Job in tourism
- Precious and rare minerals found in magma
4 types of management strategies that can reduce the effects of tectonic hazards?
Monitoring, prediction, protection and planning
How can we prepare/plan for earthquakes?
Earthquake drills and planning by emergency services
3 signs that a volcano may erupt?
Earthquakes, increase in levels of sulfur dioxide, increase in ground surface temperatures
Main way to protect people from volcanoes?
Evacuation
4 ways to protect buildings from earthquakes?
- Steel frames so buildings sway
- Computer controlled weights on roofs
- Foundations sunk into ground
- Fire resistant building materials
Which two can be predicted out of earthquakes, volcanic eruptions and tropical storms?
Volcanic eruptions and tropical storms
2 things used to monitor earth movements?
Networks of seismometers and lasers
Immediate responses definition?
Reaction of people as disaster happens and in immediate aftermath
Long term responses definition?
Later reaction that occur in weeks, months and years after event
Monitoring definition?
Recording physical changes to help forecast when and where a natural hazard might strike
Planning definition?
Actions taken to enable communities to respond to, and recover from, natural disasters
Prediction definition?
Attempts to forecast when and where a natural hazard will strike, based on current knowledge
Protection definition?
Actions taken before hazard strikes to reduce its impact, such as educating people or improving building designs
Economic impact definition?
Effect of event on wealth of area or community
