Have been classified more than 20 disaster risks are capable of producing. Ranging from earthquakes to fog and mist, but the most important are:
Hydrologic stormy waves, tsunamis
Weather: Floods, hurricanes, cyclones, typhoons, tornadoes, drought, frost, hailstorms, cold waves, heat, snow and winter storms.
Geophysical: earthquakes and volcanoes, avalanches, landslides, mudslides, avalanches.
Biological: red tide (appearance on the surface of water mussels, clams, etc.. Who are carriers of toxins and alter the food chain)