Province of Asti

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

According to ISPRA’s mosaic, 6.4% of the territory of the province of Asti has high or very high landslide hazard (P3 and P4), with 1.5% of the residents. 7.7% of the territory of the province of Asti is in the flood area of the medium-probability scenario (P2), with 2.3% of the residents. Among Italy’s 107 provinces it ranks 56th for landslide hazard P3-P4 and 47th for flood area (P2).

Municipalities by seismic zone: 4 in zone 3, 113 in zone 4.

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Municipalities by share of territory in landslide class P3/P4

Montabone	47.4%
Cassinasco	31.9%
Dusino San Michele	25.9%
Roccaverano	25.7%
San Giorgio Scarampi	23.7%
Vesime	22.1%
Monastero Bormida	20.8%
Calamandrana	20.3%
Cessole	18.6%
Loazzolo	16.5%

Municipalities by share of territory in flood scenario P2

Azzano d’Asti	50.4%
Revigliasco d’Asti	29.1%
Cerro Tanaro	28.9%
Rocchetta Tanaro	24.5%
Rocca d’Arazzo	21.7%
Castagnole delle Lanze	19.2%
Celle Enomondo	19.1%
Castello di Annone	18.9%
Isola d’Asti	18.8%
Antignano	18.6%

All 117 municipalities

Municipality	Seismic zone	Landslide P3-P4	Flood P2
Agliano Terme	4	8.2%	3.7%
Albugnano	4	11.5%	0%
Antignano	4	2.4%	18.6%
Aramengo	4	6.1%	0.2%
Asti	4	0.8%	12.7%
Azzano d’Asti	4	3.5%	50.4%
Baldichieri d’Asti	4	0.3%	14.9%
Belveglio	4	15.6%	4.3%
Berzano di San Pietro	4	5.3%	0%
Bruno	4	7.7%	18.4%
Bubbio	4	11.1%	8.7%
Buttigliera d’Asti	4	7.8%	3.3%
Calamandrana	4	20.3%	10.8%
Calliano Monferrato	4	5.7%	6.7%
Calosso	4	9.3%	1.8%
Camerano Casasco	4	1.3%	2.1%
Canelli	4	11.4%	7%
Cantarana	4	4.4%	9.6%
Capriglio	4	0.6%	5.6%
Casorzo Monferrato	4	9.2%	4.4%
Cassinasco	4	31.9%	0%
Castagnole delle Lanze	4	5.8%	19.2%
Castagnole Monferrato	4	3.6%	9.4%
Castel Boglione	4	16.4%	1.1%
Castel Rocchero	4	1.8%	0%
Castell’Alfero	4	1%	9.4%
Castellero	4	6.2%	2.7%
Castelletto Molina	4	13.7%	0%
Castello di Annone	4	2.5%	18.9%
Castelnuovo Belbo	4	3.6%	12.9%
Castelnuovo Calcea	4	3.7%	6.1%
Castelnuovo Don Bosco	4	7%	1.9%
Cellarengo	4	0.2%	1.7%
Celle Enomondo	4	4.6%	19.1%
Cerreto d’Asti	4	4.3%	4.3%
Cerro Tanaro	4	0.1%	28.9%
Cessole	4	18.6%	10.5%
Chiusano d’Asti	4	4%	3.7%
Cinaglio	4	0.2%	2.9%
Cisterna d’Asti	4	16.4%	1.1%
Coazzolo	4	1%	2.8%
Cocconato	4	9.2%	1.5%
Corsione	4	4.7%	1.5%
Cortandone	4	6.3%	5.4%
Cortanze	4	9.1%	0%
Cortazzone	4	3.1%	4.2%
Cortiglione	4	1.7%	10.9%
Cossombrato	4	2.8%	3.2%
Costigliole d’Asti	4	6.6%	7.1%
Cunico	4	6.1%	1.7%
Dusino San Michele	4	25.9%	6.7%
Ferrere	4	3.6%	0.1%
Fontanile	4	15%	1.2%
Frinco	4	2.2%	8.6%
Grana Monferrato	4	11.1%	11%
Grazzano Badoglio	4	5.8%	4.8%
Incisa Scapaccino	4	8.2%	13.9%
Isola d’Asti	4	3.9%	18.8%
Loazzolo	4	16.5%	4.1%
Maranzana	3	5.8%	9%
Maretto	4	8.8%	7.2%
Moasca	4	12.4%	4.5%
Mombaldone	3	5.9%	18%
Mombaruzzo	3	1.9%	4.5%
Mombercelli	4	3.8%	6.4%
Monale	4	3.6%	4.7%
Monastero Bormida	4	20.8%	9.2%
Moncalvo	4	6.5%	0.9%
Moncucco Torinese	4	1.4%	0%
Mongardino	4	3.8%	0%
Montabone	4	47.4%	2.2%
Montafia	4	0.3%	11.9%
Montaldo Scarampi	4	3.2%	2.9%
Montechiaro d’Asti	4	8.4%	6.3%
Montegrosso d’Asti	4	5.8%	4.2%
Montemagno Monferrato	4	2.3%	3.6%
Montiglio Monferrato	4	4.5%	6.7%
Moransengo-Tonengo	4	5.8%	0.1%
Nizza Monferrato	4	5.2%	6.9%
Olmo Gentile	4	6.5%	0%
Passerano Marmorito	4	3%	0.5%
Penango	4	1.6%	2.4%
Piea	4	0.6%	4.9%
Pino d’Asti	4	1.2%	0%
Piovà Massaia	4	8.6%	13.8%
Portacomaro	4	0.3%	0%
Quaranti	3	3.9%	0.1%
Refrancore	4	0.3%	0.1%
Revigliasco d’Asti	4	4.5%	29.1%
Roatto	4	6%	10.8%
Robella	4	3.5%	3.8%
Rocca d’Arazzo	4	1%	21.7%
Roccaverano	4	25.7%	0.7%
Rocchetta Palafea	4	13.9%	0%
Rocchetta Tanaro	4	3.7%	24.5%
San Damiano d’Asti	4	1.9%	7.7%
San Giorgio Scarampi	4	23.7%	0.3%
San Martino Alfieri	4	8.3%	6.6%
San Marzano Oliveto	4	10.9%	3.9%
San Paolo Solbrito	4	4.1%	8.4%
Scurzolengo	4	7%	3.3%
Serole	4	5.2%	0%
Sessame	4	12.6%	4.4%
Settime	4	0.7%	6.4%
Soglio	4	1%	0%
Tigliole	4	0.5%	8%
Tonco	4	6.7%	11.9%
Vaglio Serra	4	4.9%	2.6%
Valfenera	4	5.9%	2.7%
Vesime	4	22.1%	9.4%
Viale	4	0%	0.1%
Viarigi	4	1.6%	9.8%
Vigliano d’Asti	4	2.4%	3%
Villa San Secondo	4	7.5%	7.9%
Villafranca d’Asti	4	6.4%	13.3%
Villanova d’Asti	4	1.4%	12.5%
Vinchio	4	4.9%	3.5%

Landslides and floods in the province

ISPRA indicator	AT	Piemonte
Landslide, very high hazard (P4)	2.3%	3.1%
Landslide, high hazard (P3)	4.2%	3.7%
Landslide, areas of attention	0%	0%
Residents in landslide areas P3-P4	1.5%	1.8%
Buildings in landslide areas P3-P4	2%	4.4%
Flood, high probability (P3)	6.2%	5.1%
Flood, medium probability (P2)	7.7%	8.3%
Flood, low probability (P1)	11%	13%
Residents in P2 flood areas	2.3%	4.9%
Buildings in P2 flood areas	2.6%	5.8%

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

Updated on 25 October 2026