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Province of Imperia

Natural hazards and seismic zone municipality by municipality, for home buyers.

According to ISPRA’s mosaic, 11.5% of the territory of the province of Imperia has high or very high landslide hazard (P3 and P4), with 11.2% of the residents. 1.4% of the territory of the province of Imperia is in the flood area of the medium-probability scenario (P2), with 14.1% of the residents. Among Italy’s 107 provinces it ranks 32nd for landslide hazard P3-P4 and 97th for flood area (P2).

Municipalities by seismic zone: 30 in zone 2, 36 in zone 3.

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Municipalities by share of territory in landslide class P3/P4

Vallebona31.7%
Vallecrosia25.6%
Soldano25.1%
Sanremo24.7%
Diano Arentino24.3%
Perinaldo20.2%
Rezzo20.1%
Olivetta San Michele17.6%
Bajardo17.2%
Dolceacqua16.9%

Municipalities by share of territory in flood scenario P2

Vallecrosia22.2%
Diano Marina19.6%
Riva Ligure13.3%
San Lorenzo al Mare13.1%
Camporosso8%
Bordighera6.9%
Ventimiglia5.6%
Chiusavecchia4.4%
Taggia4.4%
San Bartolomeo al Mare3.3%

All 66 municipalities

MunicipalitySeismic zoneLandslide P3-P4Flood P2
Airole312.9%2.6%
Apricale313.2%0.1%
Aquila d’Arroscia314.2%0%
Armo38.7%0%
Aurigo312.4%0%
Badalucco210.6%1.7%
Bajardo317.2%0%
Bordighera311.7%6.9%
Borghetto d’Arroscia38.6%0.4%
Borgomaro314.9%0.1%
Camporosso37.6%8%
Caravonica38.7%0%
Castel Vittorio313.8%0.2%
Castellaro24.9%0%
Ceriana216.2%0%
Cervo210.8%1.9%
Cesio33.1%0%
Chiusanico212.4%0.7%
Chiusavecchia28.8%4.4%
Cipressa29.3%1.3%
Civezza22.2%2.3%
Cosio d’Arroscia32.2%0.2%
Costarainera23.2%2.1%
Diano Arentino224.3%0.1%
Diano Castello21.3%1.7%
Diano Marina23.6%19.6%
Diano San Pietro25.4%0.8%
Dolceacqua316.9%2%
Dolcedo23.9%0%
Imperia28.6%3.3%
Isolabona315.3%1.7%
Lucinasco210.3%0.5%
Mendatica316.3%0%
Molini di Triora36.8%0.5%
Montalto Carpasio27%0.4%
Montegrosso Pian Latte312.7%0%
Olivetta San Michele317.6%1.4%
Ospedaletti311.4%1.5%
Perinaldo320.2%0%
Pietrabruna24%0.5%
Pieve di Teco38.2%0.6%
Pigna311.2%0.4%
Pompeiana24.7%0%
Pontedassio27.1%1.8%
Pornassio39.2%0.2%
Prelà23.9%0%
Ranzo38.3%1%
Rezzo320.1%0%
Riva Ligure25.3%13.3%
Rocchetta Nervina314.4%0%
San Bartolomeo al Mare23.2%3.3%
San Biagio della Cima37%2.2%
San Lorenzo al Mare26.3%13.1%
Sanremo224.7%1.9%
Santo Stefano al Mare24.2%3.2%
Seborga311.5%0%
Soldano325.1%2.4%
Taggia26.5%4.4%
Terzorio23.6%0%
Triora315.2%0%
Vallebona331.7%0.1%
Vallecrosia325.6%22.2%
Vasia25.4%0%
Ventimiglia310.4%5.6%
Vessalico35.3%1.4%
Villa Faraldi29.1%0%

Landslides and floods in the province

ISPRA indicatorIMLiguria
Landslide, very high hazard (P4)0.9%2%
Landslide, high hazard (P3)10.6%12.6%
Landslide, areas of attention0%0%
Residents in landslide areas P3-P411.2%7%
Buildings in landslide areas P3-P413.4%14.2%
Flood, high probability (P3)1.1%2.1%
Flood, medium probability (P2)1.4%2.9%
Flood, low probability (P1)1.8%3.5%
Residents in P2 flood areas14.1%17.4%
Buildings in P2 flood areas9.1%12.2%

Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).

Updated on