Challenge Of Natural Hazzards Flashcards
(16 cards)
What is a natural hazard?
A natural event that threatens people/ property
What are the different types of natural hazards?
Tectonic - earthquake, volcano
Atmospheric - hurricanes, droughts
Geomorphological - floods, landslides
Biological - disease, forest fires
Factors affecting hazard risk
Population density, poverty, farming climate change
What is plate tectonic theory
Tectonic plates move over semi molten mantle due to convection currents this movement causes earthquakes, volcanos and mountain ranges
Nepal primary effects?
9000 dead
22k injured
4 million left homeless
800k buildings damaged or destroyed
Nepal secondary effects?
Triggered avalanches on Everest which killed 18 people
Lack of clean water led to outbreaks of typhus which killed 13 people
Roads blocked by landslides preventing emergency aid to get to places
Nepals immediate responses?
Oxfam provided medicine, food and water
Red Cross set up emergency shelters for 130k fams who had lost their home.
🇮🇳 and 🇨🇳 sent teams help residents rescue people trapped by debris.
Nepal long term responses?
Word bank group financed 500 mil worth of projects to build earthquake resistant housing , and repair roads
Heritage sights reopened in June to encourage tourists to come back l
L Aquila primary effects?
L Aquila secondary effects
L Aquila immediate responses?
L Aquila long term responses?
Why do people live in areas at risk of a tectonic hazard?
Fertile soils near volcanos
Tourism opportunities
How can prediction reduce hazard risk?
Forecasting potential events, allowing for evacuation etc
How can planning reduce hazard risk?
Emergency drills and evacuation plans
How can monitoring reduce hazard risk?
Seismic activity tracking