Tectonics key words 0.0 / 5 ? GeographyPlate tectonicsA2/A-levelEdexcel Created by: Kate_andersonCreated on: 24-05-18 11:26 Natural hazard an occurring which only poses a theoretical threat to life, property, environmental and economical impacts- putting a population at risk of impacts 1 of 34 Natural disaster the impact of a natural hazard that impacts the society or environment in a negative way 2 of 34 Paleomagnetism branch of geophysics concerned with the magnetism in rocks that was induced by the Earth's magnetic fields at the time of their formation 3 of 34 MMS moment magnitude scale 4 of 34 intra-plate earthquake earthquake in the middle of plates, usually due to hotspots 5 of 34 MIS Mercalli intensity scale 6 of 34 Focus point within lithosphere where earthquakes originate from 7 of 34 Epicentre Where the earthquake channels on Earth surface, directly above focus 8 of 34 Seismic wave type of energy earthquakes are formed of; comine in S, P and L waves 9 of 34 Volcano Opening in Earth's crust through which lava erupts 10 of 34 VEI Volcanic explosivity index 11 of 34 Tectonic hazard when a tectonic event puts a population at risk 12 of 34 Primary hazard happen as a direct result of a volcano 13 of 34 Secondary hazard indirect result of volcano 14 of 34 Tephra fall ash, lapilli, volcanic bombs- tephra falling down from high eruption in cloud 15 of 34 Lahars rapidly moving mudflows of tephra and water 16 of 34 Pyroclastic flow avalanche of hot volcanic gas and tephra 17 of 34 Gas eruption dissolved gases rfom magma released during eruption 18 of 34 Lava flow streams of lava erupted from volcano onto Earth's surface 19 of 34 Jokulhlaups glacial outburst flood 20 of 34 Tsunami series of abnormally large waves 21 of 34 UNISDR United Nations International Disaster Risk Reduction 22 of 34 A disaster series of disruptions involving widespread impacts which exceeds the ability of a community to cope using its own resources 23 of 34 PAR Pressure and Release model 24 of 34 Tectonic mega-events extremely large events with regional/global impacts 25 of 34 Multiple hazard zones A vulnerable area prone to several natural hazards 26 of 34 Hazard profile A diagram that shows the main characteristics of tectonic events 27 of 34 Park's model theoretical model showing how the city/country/region might respond after a natural disaster 28 of 34 Lithosphere Crust and solid uppermost mantle which has cooled and stuck to crust, thin, cool, rigid & brittle 29 of 34 Asthenosphere below lithosphere, semi-molten layer or upper mantle 30 of 34 Preparedness preparing to deal with a future hazard event 31 of 34 Response Responding effectively to a current hazard event 32 of 34 Recovery Getting back to normal after a hazard event 33 of 34 Mitigation Reducing the impacts of a future hazard event 34 of 34
GEOG4- Tectonic activity and hazards [2014] pre-release series: #4- pre-release revision PPT. 0.0 / 5
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