Geography AQA PAPER 1

Natural Hazard - answer-Any natural process that is a potential threat to human life and property Factors affecting hazard risk - answer-Urbanisation, poverty, development, climate change Constructive plates - answer-Two plates move apart, magma forces way along gap and causes earthquake, erupted lava cools and forms volcano Ecotourism - answer-The practice of using an area's natural environment to attract tourists which is sustainable and won't damage area Destructive plate - answer-Two plates moving towards one another, oceanic plate subducts under continental plate and friction causes melting of oceanic plate, triggers earthquake Conservative plate - answer-Two plates moving alongside, friction can send shockwaves causing earthquakes Where are volcanoes distributed? - answer-Coastline and tectonic plate boundaries Where are earthquakes distributed? - answer-Coastline and tectonic plate boundaries Chile HIC earthquake - answer-27th feb 2010, 8.8 Richter scale, caused on destructive plate margin PE- 5000 deaths, Santiago airport damaged SE- 1500km road damaged by landslide IR- Emergency service floating bridge, field hospitals LTR- President said 4 years to recover Nepal LIC earthquake - answer-25th april 2015, 7.9 Richter scale, caused by collision of eurasian and Australian plate PE- 3 mil homeless SE- Avalanche 250 missing IR- Social media search, field hospitals LTR- Homeless rehoused, tourist site reopened Why would people live next to natural hazards? - answer-Rarity of volcano explosion, poverty, fertile flood plain soils How to reduce risk from tectonic hazard - answer-Monitoring- using scientific equipment to detect warning Prediction- historical events Protection- designing buildings Plan