Area of the former province of Pordenone

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

According to ISPRA’s mosaic, 1.8% of the territory of the former province of Pordenone has high or very high landslide hazard (P3 and P4), with 0.1% of the residents. 12.5% of the territory of the former province of Pordenone is in the flood area of the medium-probability scenario (P2), with 7.7% of the residents. Among Italy’s 107 provinces it ranks 80th for landslide hazard P3-P4 and 31st for flood area (P2).

Municipalities by seismic zone: 13 in zone 1, 27 in zone 2, 10 in zone 3.

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Municipalities by share of territory in landslide class P3/P4

Erto e Casso	13.5%
Vito d’Asio	8.8%
Cimolais	6.5%
Montereale Valcellina	4.2%
Aviano	4%
Clauzetto	3.4%
Barcis	3.2%
Meduno	3%
Cavasso Nuovo	2.3%
Claut	2.1%

Municipalities by share of territory in flood scenario P2

Prata di Pordenone	69.4%
Vivaro	47.6%
Vajont	39.3%
Pinzano al Tagliamento	36.5%
Pordenone	35.3%
Arba	33.7%
Spilimbergo	31.9%
Cordenons	27.5%
Cavasso Nuovo	25.1%
Chions	24.1%

All 50 municipalities

Municipality	Seismic zone	Landslide P3-P4	Flood P2
Andreis	1	1.4%	2.1%
Arba	2	0%	33.7%
Aviano	2	4%	4.5%
Azzano Decimo	3	0%	17.4%
Barcis	1	3.2%	4.5%
Brugnera	2	0%	9.3%
Budoia	2	0.9%	5.3%
Caneva	2	0.8%	5.7%
Casarsa della Delizia	3	0%	15.6%
Castelnovo del Friuli	1	0.7%	2.9%
Cavasso Nuovo	1	2.3%	25.1%
Chions	3	0%	24.1%
Cimolais	2	6.5%	6%
Claut	2	2.1%	5.8%
Clauzetto	1	3.4%	1.4%
Cordenons	2	0%	27.5%
Cordovado	3	0%	1.7%
Erto e Casso	2	13.5%	8.2%
Fanna	1	0.2%	9%
Fiume Veneto	3	0%	17.2%
Fontanafredda	2	0%	3.1%
Frisanco	1	1.8%	3%
Maniago	1	1%	13.7%
Meduno	1	3%	7.2%
Montereale Valcellina	1	4.2%	11.3%
Morsano al Tagliamento	3	0%	20%
Pasiano di Pordenone	3	0%	15.1%
Pinzano al Tagliamento	2	1.2%	36.5%
Polcenigo	2	0.1%	5.4%
Porcia	2	0%	22%
Pordenone	2	0%	35.3%
Prata di Pordenone	2	0%	69.4%
Pravisdomini	3	0%	11.6%
Roveredo in Piano	2	0%	0%
Sacile	2	0%	12.1%
San Giorgio della Richinvelda	2	0%	20%
San Martino al Tagliamento	2	0%	22.9%
San Quirino	2	0%	3.1%
San Vito al Tagliamento	3	0%	21.8%
Sequals	2	0.2%	13.9%
Sesto al Reghena	3	0%	13.3%
Spilimbergo	2	0%	31.9%
Tramonti di Sopra	2	1.3%	4.8%
Tramonti di Sotto	2	1.9%	5.8%
Travesio	1	0.1%	2.2%
Vajont	1	0%	39.3%
Valvasone Arzene	2	0%	16%
Vito d’Asio	1	8.8%	3.4%
Vivaro	2	0%	47.6%
Zoppola	2	0%	20.3%

Landslides and floods in the province

ISPRA indicator	PN	Friuli-Venezia Giulia
Landslide, very high hazard (P4)	1.6%	2%
Landslide, high hazard (P3)	0.2%	0.5%
Landslide, areas of attention	0%	0.1%
Residents in landslide areas P3-P4	0.1%	0.3%
Buildings in landslide areas P3-P4	0.2%	0.6%
Flood, high probability (P3)	12.1%	9.6%
Flood, medium probability (P2)	12.5%	14.6%
Flood, low probability (P1)	18.4%	21.5%
Residents in P2 flood areas	7.7%	9.9%
Buildings in P2 flood areas	7.2%	10.8%

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

Updated on 25 October 2026