Ariège

Recorded Natural Hazards (Géorisques)

It has 325 municipalities and 155,722 inhabitants. Under the seismic zoning in force since 2011, 23 municipalities are in a medium or high seismicity zone (4% of inhabitants). A natural disaster has been declared 1,918 times since 1982 (one declaration per municipality and decree), mostly for floods (1,028) and snow load (327). The most recent was signed on 20 January 2025. 87 municipalities have a high radon potential (category 3), home to 22% of inhabitants. 115 municipalities are covered by an approved natural hazard prevention plan.

Seismicity Zones

Number of municipalities in each zone of the regulatory seismic zoning (from 1, very low, to 5, high).

Natural Disasters Declared Since 1982

Declarations per five-year period.

Most Widespread Events

• 1992Snow Load · 22 January 1992327 municipalities
• 1992Floods and Mudflows · 22 January 1992327 municipalities
• 1982Floods and Mudflows · 6 November 1982327 municipalities
• 1982Storms · 6 November 1982327 municipalities
• 2022Drought (Clay Shrinkage) · 1 July 202247 municipalities
• 2022Floods and Mudflows · 9 January 202243 municipalities

Most Frequently Affected Municipalities

• 17Sainte-Croix-Volvestre
• 15Saverdun
• 15Foix
• 15Daumazan-sur-Arize
• 14Lézat-sur-Lèze
• 13Artigat
• 13Laroque-d'Olmes
• 12Montferrier

Hazards Listed by Municipality

Number of municipalities exposed to each natural hazard according to the departmental major risks file.

Hazards at a specific address on Géorisques