Hautes-Pyrénées

Recorded Natural Hazards (Géorisques)

It has 469 municipalities and 231,349 inhabitants. Under the seismic zoning in force since 2011, 258 municipalities are in a medium or high seismicity zone (64% of inhabitants). A natural disaster has been declared 3,303 times since 1982 (one declaration per municipality and decree), mostly for floods (2,011) and ground movements (611). The most recent was signed on 15 December 2024. 60 municipalities have a high radon potential (category 3), home to 10% of inhabitants. 268 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

• 1999Floods and Mudflows · 25 December 1999469 municipalities
• 1982Floods and Mudflows · 6 November 1982469 municipalities
• 1982Storms · 6 November 1982469 municipalities
• 2009Floods and Mudflows · 24 January 2009469 municipalities
• 1999Ground Movements · 25 December 1999469 municipalities
• 2013Ground Movements · 17 June 201379 municipalities

Most Frequently Affected Municipalities

• 19Arrens-Marsous
• 19Bagnères-de-Bigorre
• 17Lourdes
• 16Gavarnie-Gèdre
• 16Tarbes
• 15Sers
• 13Adast
• 13Agos-Vidalos

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