Earthquakes today in San Cassiano
Today, within 30 km: no earthquakes recorded (updated at 11:37). Latest: M3.1 on 10 November 2015 at 18:50, 13 km East of Corsano, 28 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 San Cassiano: zone 4
The quietest class: the probability of strong earthquakes is very low.
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 = 0.060 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of San Cassiano. “In the town”: quakes whose nearest town to the epicentre is San Cassiano.
The seismic history of San Cassiano
The earthquakes that were actually felt in San Cassiano over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1990NF5 May 1990
Imperceptible: only instruments record it.
Potentino earthquake (M5.8), epicentre 231 km away
- 1988NF13 April 1988
Imperceptible: only instruments record it.
Golfo di Taranto earthquake (M4.9), epicentre 129 km away
- 1984NF29 April 1984
Imperceptible: only instruments record it.
Umbria settentrionale earthquake (M5.6), epicentre 599 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 55 km from South Apulia Fault System - North, 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
1 eventsLatest earthquakes within 30 km
Nearby towns
How does it compare with the surroundings?
San Cassiano 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 Lecce0 events · last 30 daysPuglia region20 events · last 30 daysFrequently asked questions
Were there earthquakes near San Cassiano today?
No, no quakes were recorded today within 30 km of San Cassiano. The latest dates back to 10 November 2015.
Is San Cassiano a seismic area?
San Cassiano is classified in seismic zone 4 by the Civil Protection. The quietest class: the probability of strong earthquakes is very low.
What was the strongest earthquake near San Cassiano?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of San Cassiano was magnitude 3.1, on 10 November 2015.
When was the last quake near San Cassiano?
The last quake recorded within 30 km of San Cassiano dates back to 10 November 2015, magnitude 3.1.
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)