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Province of Frosinone

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

According to ISPRA’s mosaic, 14.9% of the territory of the province of Frosinone has high or very high landslide hazard (P3 and P4), with 7% of the residents. 2.2% of the territory of the province of Frosinone is in the flood area of the medium-probability scenario (P2), with 2.3% of the residents. Among Italy’s 107 provinces it ranks 24th for landslide hazard P3-P4 and 92nd for flood area (P2).

Municipalities by seismic zone: 30 in zone 1, 59 in zone 2, 2 in zone 3.

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Municipalities by share of territory in landslide class P3/P4

San Donato Val di Comino65.5%
Belmonte Castello46.1%
Serrone42.5%
Casalattico41%
Pescosolido37.8%
Villa Latina37.6%
Campoli Appennino34.8%
Vico nel Lazio34.8%
Settefrati34.6%
Sora33.7%

Municipalities by share of territory in flood scenario P2

Sant’Apollinare42.6%
Sant’Ambrogio sul Garigliano32.1%
Pignataro Interamna17.5%
San Giorgio a Liri17.2%
Patrica12.9%
Sant’Andrea del Garigliano9.4%
Sora8.8%
Ceccano8%
Falvaterra4.8%
Villa Santa Lucia4.4%

All 91 municipalities

MunicipalitySeismic zoneLandslide P3-P4Flood P2
Acquafondata13.2%0%
Acuto2B16.1%0%
Alatri2B6.8%0.9%
Alvito118%0.3%
Amaseno3A0.9%2.7%
Anagni2B4.3%1.3%
Aquino2A1.4%0.6%
Arce2A2.8%2.8%
Arnara2B3%0%
Arpino18.6%0.5%
Atina118.7%3.2%
Ausonia2B25.2%0.3%
Belmonte Castello146.1%0%
Boville Ernica2B4.6%0%
Broccostella12.9%0.9%
Campoli Appennino134.8%0.5%
Casalattico141%0.8%
Casalvieri17%0.7%
Cassino2A9.1%3.6%
Castelliri2A6.2%1.1%
Castelnuovo Parano2B15.9%0%
Castro dei Volsci2B11.9%3.8%
Castrocielo2A20.3%2.7%
Ceccano2B8%8%
Ceprano2B1.1%3.3%
Cervaro113.4%0.7%
Colfelice2A-2B2.8%2.5%
Colle San Magno126.7%0%
Collepardo2B22.6%0%
Coreno Ausonio2B9.6%0%
Esperia2B21.7%0.8%
Falvaterra2B8.4%4.8%
Ferentino2B4.2%0.8%
Filettino2B2.2%0%
Fiuggi2B15.6%0%
Fontana Liri2A11.4%0%
Fontechiari13.3%0.9%
Frosinone2B2.1%3.2%
Fumone2B5.3%0%
Gallinaro15.8%0%
Giuliano di Roma2B8.4%0.2%
Guarcino2B22.2%0%
Isola del Liri16.2%4.2%
Monte San Giovanni Campano2A6.7%0.2%
Morolo2B23.8%1.7%
Paliano2B2.9%0.7%
Pastena2B11%1.6%
Patrica2B15.9%12.9%
Pescosolido137.8%0.7%
Picinisco133.6%0.5%
Pico2B9.9%0.6%
Piedimonte San Germano2A6.5%2.7%
Piglio2B25.9%0%
Pignataro Interamna2A1.6%17.5%
Pofi2B1.6%2.3%
Pontecorvo2B5.2%3.8%
Posta Fibreno123.1%1.8%
Ripi2B1.7%0%
Rocca d’Arce124.4%0%
Roccasecca2A9.9%3.3%
San Biagio Saracinisco125.8%0.2%
San Donato Val di Comino165.5%2.4%
San Giorgio a Liri2B16.7%17.2%
San Giovanni Incarico2B5.8%3.3%
San Vittore del Lazio120.8%0%
Sant’Ambrogio sul Garigliano2B0.7%32.1%
Sant’Andrea del Garigliano2B14.2%9.4%
Sant’Apollinare2B12.9%42.6%
Sant’Elia Fiumerapido131.9%0.9%
Santopadre113%0%
Serrone2B42.5%0%
Settefrati134.6%0.6%
Sgurgola2B24.8%2.5%
Sora133.7%8.8%
Strangolagalli2B3.3%0.5%
Supino2B30%3.6%
Terelle129.6%0.7%
Torre Cajetani2B11.7%0.2%
Torrice2B3.7%0%
Trevi nel Lazio2B0.2%0%
Trivigliano2B3.4%0%
Vallecorsa3A1.2%0%
Vallemaio2B30.2%0%
Vallerotonda113.4%0.2%
Veroli2B26.2%1.6%
Vicalvi116.7%0%
Vico nel Lazio2B34.8%0%
Villa Latina137.6%0.4%
Villa Santa Lucia2A24.1%4.4%
Villa Santo Stefano2B0.3%3.5%
Viticuso16%0.2%

Landslides and floods in the province

ISPRA indicatorFRLazio
Landslide, very high hazard (P4)14.4%4.3%
Landslide, high hazard (P3)0.4%1.2%
Landslide, areas of attention27.8%8.3%
Residents in landslide areas P3-P47%1.5%
Buildings in landslide areas P3-P47.2%3.2%
Flood, high probability (P3)1.6%2.6%
Flood, medium probability (P2)2.2%3.5%
Flood, low probability (P1)2.9%5.7%
Residents in P2 flood areas2.3%3.2%
Buildings in P2 flood areas2.4%3.4%

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

Updated on