1.1
what is a natural hazards
sudden severe events which make the matural environment difficult to manage. they disript human life and have huge economic and social impacts
where can a natural hazard not be classes as one
unpopulated regions
how do they clbecome a disaster
when they cause injury death damage or disruption
what are the 3 typed of natural hazard
flooding atmospheric geological
flooding
mudflows ,snow storms ,avalanches ,tsunamis ,glacial bursts ,storm surges
atmospheric
droughts, tornados, lightning, heatwaves, blizzards, wildfires, snow storms, mudflows, ash clouds
geological
ash clouds, mudflows, avalanches, sunamis, earthquakes, volcanic eruptions, landslides, sink holes
floods
the most frequent and deadly, damaging most properly
tropical storms
the next frequent almost as dangerous
what us a hazard risk
a hazard risk means the chance of being affected by a natural hazard. for example thsie living near the sea at risk of flooding caused by tropical storms or tsunami
why do people live in risky areas
accept the risk after weighing up advantages and disadvantages , have little choice of where to live
what are the 4 factors that increase the risk of being exposed to natural hazards
urbanisation, poverty, farming, clinate change
urbanisation
densly populated urban areas concentrate those at risks
poverty
expense of housing leads to building on risky grounds
farming
the attraction of nutrient rich floodplains puts people at risk
climate change
global warming raises sea levels and generates more extreme weather