Puy-de-Dôme

Recorded Natural Hazards (Géorisques)

It has 463 municipalities and 664,453 inhabitants. Under the seismic zoning in force since 2011, its highest seismicity is moderate (zone 3 of 5). A natural disaster has been declared 3,181 times since 1982 (one declaration per municipality and decree), mostly for floods (1,543) and drought (692). The most recent was signed on 22 June 2025. 321 municipalities have a high radon potential (category 3), home to 66% of inhabitants. 102 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

• 1999Ground Movements · 25 December 1999464 municipalities
• 1999Floods and Mudflows · 25 December 1999464 municipalities
• 1982Storms · 6 November 1982464 municipalities
• 1982Floods and Mudflows · 6 November 1982464 municipalities
• 1994Floods and Mudflows · 4 November 199493 municipalities
• 2019Drought (Clay Shrinkage) · 1 January 201980 municipalities

Most Frequently Affected Municipalities

• 21Clermont-Ferrand
• 19Veyre-Monton
• 18Chanonat
• 18Cournon-d'Auvergne
• 18Laps
• 18Orcet
• 17Les Martres-de-Veyre
• 17Romagnat

Hazards at a specific address on Géorisques

Hazard Levels

Hazard level assessed by ThinkHazard! (World Bank, GFDRR), meaning the likelihood of a damaging event, from very low to high.

• WildfireHigh
• EarthquakeMedium
• LandslideMedium
• VolcanoMedium
• River FloodLow
• Urban FloodLow
• Extreme HeatLow
• Water ScarcityVery Low

Details and recommendations on ThinkHazard!