2. Natural hazard inventories
In some cases, the risks are known: all we need to do is assess their importance and define the zones concerned. This is the case for avalanche, flood, earthquake, volcanic and other risks.
In other cases, local history provides no information on potential risks. They are unknown, or their probability is so low that they are ignored. This is the case for unforeseeable ground collapses, natural pollution uncovered by sophisticated measuring equipment, storms, exceptional rainfall accompanied by mudslides, and so on.
The main risks due to natural or geological events are :
flooding and river overflows ;
EARTHQUAKE;
torrential rains, mudslides ;
falling rocks and stones;
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Natural hazard inventories
Important concepts relating to natural hazards
Bibliography
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Regulations
Codes
The various codes whose articles come under the regulation of the prevention and repair of damage resulting from major foreseeable or unforeseeable risks:
– Code général des collectivités territoriales
– Code de l'expropriation pour cause d'utilité publique (French law on expropriation for public use)
– Environment Code
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Glossary and acronyms
Anthropic action: an act whose formation is essentially the result of human action.
Hazard: natural phenomenon of potentially dangerous occurrence and intensity.
Natural disaster: phenomenon or combination of phenomena whose effects are particularly damaging.
Risk basin: homogeneous geographical entity subject to the same natural phenomenon....
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