Gard

Recorded Natural Hazards (Géorisques)

It has 350 municipalities and 770,940 inhabitants. Under the seismic zoning in force since 2011, its highest seismicity is moderate (zone 3 of 5). A natural disaster has been declared 3,840 times since 1982 (one declaration per municipality and decree), mostly for floods (2,604) and drought (709). The most recent was signed on 24 February 2025. 69 municipalities have a high radon potential (category 3), home to 14% of inhabitants. 265 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

• 1982Floods and Mudflows · 6 November 1982351 municipalities
• 1982Storms · 6 November 1982351 municipalities
• 2002Floods and Mudflows · 8 September 2002294 municipalities
• 2017Drought (Clay Shrinkage) · 1 July 2017175 municipalities
• 1995Floods and Mudflows · 3 October 1995108 municipalities
• 1998Floods and Mudflows · 27 May 1998102 municipalities

Most Frequently Affected Municipalities

• 29Nîmes
• 26Calvisson
• 24Bagnols-sur-Cèze
• 23Langlade
• 23Vauvert
• 21Saint-Gilles
• 21Saint-Hilaire-de-Brethmas
• 20Alès

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