Hazards 4.0 / 5 based on 1 rating ? GeographyNatural hazardsA2/A-levelAQA Created by: danniellechiversCreated on: 08-11-18 11:12 Events percieved to be a threat to people and the environment Natural hazard 1 of 37 Caused by internal Earth processes e.g. tectonic activity Geophysical 2 of 37 Events caused by movement and distribution of water Hydrological 3 of 37 Processes operating in the atmosphere resulting in extreme weather Atmospheric 4 of 37 An optimistic/accepting approach where people believe hazards are part of life Fatalism 5 of 37 An approach that believes hazards are predictable and can be understood by science Domination 6 of 37 The approach where people change their lives to minimise the impacts of hazards Adaptation 7 of 37 A model showing how quality of life deteriorates after a hazard event Parks 8 of 37 A cycle showing how to prepare, respond, recover and prevent severe impacts of hazards Risk Management 9 of 37 Consists of a core, mantle, asthenosphere, lithosphere Earth 10 of 37 Where 2 plates move apart forming rift valleys, mid-ocean ridges and sub-marine volcaoes Constructive 11 of 37 Where 2 plates are pushed together, leading to subduction, forming destructive volcanoes Destructive 12 of 37 When 2 plates crash into each other forming fold mountains Collision 13 of 37 Two plates sliding along side each other in the same direction forming fault lines Conservative 14 of 37 A volcano that has erupted in living memory Active 15 of 37 A volcano that has erupted in historical record Dormant 16 of 37 A volcano that will not erupt again Extinct 17 of 37 The action of reducing the seriousness of hazards Mitigation 18 of 37 Fragments of rock produced when magma or rock is explosively ejected Tephra 19 of 37 Streams of molten rock that pour out of an erupting vent Lava flow 20 of 37 Hot and cold mixture of water and rock that flows down the slope of a volcano Lahar 21 of 37 When rain water mixes with methane gas Acid rain 22 of 37 High density mix of lava blocks, pumice, ash and gas Pyroclastic flow 23 of 37 Wet or dry rock falling rapidly under the force of gravity Landslide 24 of 37 The point underground where an earthquake starts Focus 25 of 37 Fast seismic waves P waves 26 of 37 Slower seismic waves S waves 27 of 37 Logarithmic scale measuring the energy of and earthquake Richter 28 of 37 Scale measuring the amount of damage an earthquake produces Mercalli 29 of 37 Scale measuring the total moment release of an earthquake Moment magnitude 30 of 37 Where shaking moves soil grains apart, making it flow like liquid Liquefaction 31 of 37 The centre of a hurricane surrounded by a spinning vortex Eye 32 of 37 The name of a tropical storm around America Hurricane 33 of 37 The name of a tropical storm east of Africa and North of Australia Cyclone 34 of 37 The name of a tropical storm around the Philippenes Typhoon 35 of 37 An uncontrollable fire wiping out large areas of land Wildfire 36 of 37 The temperature something will burst into flames Flash point 37 of 37
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