Earthquakes today in Prossedi
Today, within 30 km: no earthquakes recorded (updated at 11:08). Latest: M1.7 on 18 September 2026 at 05:40, 2 km North-East of Sezze, 8 km deep.
Seismic activity within 30 km
30 km radiusINGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.
How seismic is Prossedi: zone 3
Medium-low seismicity: strong quakes are rare, but not impossible.
Official Civil Protection classification (upd. 2025), used for building codes.
Hazard describes the long-term expected shaking: it is not a forecast. Technical value: ag = 0.115 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Prossedi. “In the town”: quakes whose nearest town to the epicentre is Prossedi.
The seismic history of Prossedi
The earthquakes that were actually felt in Prossedi over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2017F18 January 2017
Moderate: felt by many indoors; glasses and dishes rattle.
Aquilano earthquake (M5.7), epicentre 116 km away
- 2000NF11 March 2000
Imperceptible: only instruments record it.
Valle dell'Aniene earthquake (M4.3), epicentre 56 km away
- 1990NF5 May 1990
Imperceptible: only instruments record it.
Potentino earthquake (M5.8), epicentre 224 km away
- 1984IV-V7 May 1984
Rather strong: felt by almost everyone; hanging objects swing.
Monti della Meta earthquake (M5.9), epicentre 69 km away
- 1980NF23 November 1980
Imperceptible: only instruments record it.
Irpinia-Basilicata earthquake (M6.8), epicentre 184 km away
- 1915V13 January 1915
Rather strong: felt by almost everyone; hanging objects swing.
Marsica earthquake (M7.1), epicentre 62 km away
Source: Italian Macroseismic Database DBMI15 (INGV, CC BY 4.0).
The great earthquakes in this area's history
Almost a thousand years of catalogues: the strongest documented events within ~50 km.
Source: Parametric Catalogue of Italian Earthquakes CPTI15 (INGV, CC BY 4.0).
The closest seismic structure
The town lies about 48 km from Castelli Romani, one of the seismic structures mapped by INGV geologists.
Faults are mapped to build better and understand the territory: knowing them says nothing about when an earthquake will occur, which remains unpredictable. Source: DISS 3.3 (INGV, CC BY 4.0).
Over time within 30 km
Earthquake map within 30 km
60 eventsLatest earthquakes within 30 km
Nearby towns
How does it compare with the surroundings?
Prossedi is among the quietest towns of its province: very few epicentres are recorded here.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Latina2 events · last 30 daysLazio region70 events · last 30 daysFrequently asked questions
Were there earthquakes near Prossedi today?
No, no quakes were recorded today within 30 km of Prossedi. The latest dates back to 18 September 2026.
Is Prossedi a seismic area?
Prossedi is classified in seismic zone 3 by the Civil Protection. Medium-low seismicity: strong quakes are rare, but not impossible.
What was the strongest earthquake near Prossedi?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Prossedi was magnitude 3.3, on 20 January 2026.
When was the last quake near Prossedi?
The last quake recorded within 30 km of Prossedi dates back to 18 September 2026, magnitude 1.7.
Tip. Click a nearby town to explore its seismicity.
Sources:INGV earthquake catalogueDBMI15 macroseismic historyCivil Protection seismic classification
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)