Natural hazards

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  Cyclones
  Every year cyclones result in more victims than any other natural disaster.  
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  Earthquakes
  Every day the earth is struck by dozens of earthquakes, but only a few are felt by the population.  
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  Extreme cold
  Whenever temperatures drop decidedly below normal and as wind speed increases, heat can leave your body more rapidly; this dangerous situation can bring on health problems or even health emergencies among vulnerable people.  
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  Extreme heat
  An extreme heat wave is defined as a period of time then temperatures hover five degrees Celsius above the average high temperature for a given geographical zone, and last for several weeks.  
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  Floods
  Floods are one of the most common natural disasters.  
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  Landslides
  According to many scientists, landslides are increasingly common and threaten such famous monuments as Machu Picchu in Peru or the Valley of the Kings in Egypt.  
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  Volcanic eruptions
  Though most volcanoes are dormant, there are currently more than 1 500 potentially active volcanoes on earth. Among these, some of the most visited are in Italy, Indonesia, Japan, Hawaii and Tanzania.