Earthquakes in Sperlonga
Seismic activity in the surroundings
30 km radiusINGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.
How seismic is this area?
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 = 0.076 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Sperlonga plus nearby towns.
The seismic history of Sperlonga
The earthquakes that were actually felt in Sperlonga over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2005III-IV22 August 2005
Moderate: felt by many indoors; glasses and dishes rattle.
Costa laziale earthquake (M4.8), epicentre 84 km away
- 1990III5 May 1990
Light: felt by few people, like a passing truck.
Potentino earthquake (M5.8), epicentre 202 km away
- 1984V7 May 1984
Rather strong: felt by almost everyone; hanging objects swing.
Monti della Meta earthquake (M5.9), epicentre 68 km away
- 1980IV23 November 1980
Moderate: felt by many indoors; glasses and dishes rattle.
Irpinia-Basilicata earthquake (M6.8), epicentre 161 km away
- 1962IV21 August 1962
Moderate: felt by many indoors; glasses and dishes rattle.
Irpinia earthquake (M6.2), epicentre 126 km away
- 1919III22 October 1919
Light: felt by few people, like a passing truck.
Anzio earthquake (M5.2), epicentre 78 km away
- 1899NF19 July 1899
Imperceptible: only instruments record it.
Colli Albani earthquake (M5.1), epicentre 86 km away
- 1899NF27 March 1899
Imperceptible: only instruments record it.
Tirreno centrale earthquake (M3.7), epicentre 35 km away
- 1892NF16 November 1892
Imperceptible: only instruments record it.
Isola di Ponza earthquake (M4.4), epicentre 59 km away
- 1857V16 December 1857
Rather strong: felt by almost everyone; hanging objects swing.
Basilicata earthquake (M7.1), epicentre 226 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 52 km from Venafro, 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).
Area over time
Earthquake map
23 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Sperlonga 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 Latina1 events · 30gLazio region80 events · 30gFrequently asked questions
Were there earthquakes today in Sperlonga?
No, no quakes were recorded today in the Sperlonga area: the latest nearby dates back to 13 days ago.
Is Sperlonga a seismic area?
Sperlonga 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 Sperlonga?
In the last ~12 years of INGV data, the strongest within 30 km of Sperlonga was magnitude 2.3, in 2017.
When was the last quake near Sperlonga?
The last quake recorded within 30 km of Sperlonga was 13 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)