Earthquakes in Gragnano Trebbiense
Seismic activity in the surroundings
30 km radiusINGV catalogue epicentres of the last ~11 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 = 0.096 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Gragnano Trebbiense plus nearby towns.
The seismic history of Gragnano Trebbiense
The earthquakes that were actually felt in Gragnano Trebbiense over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2000NF21 August 2000
Imperceptible: only instruments record it.
Monferrato earthquake (M4.9), epicentre 94 km away
- 1995NF31 December 1995
Imperceptible: only instruments record it.
Appennino reggiano earthquake (M4.5), epicentre 103 km away
- 1986NF6 December 1986
Imperceptible: only instruments record it.
Ferrarese earthquake (M4.4), epicentre 148 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 13 km from Portalbera-Cremona, 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
19 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Gragnano Trebbiense 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 Piacenza0 events · 30gEmilia-Romagna region108 events · 30gFrequently asked questions
Were there earthquakes today in Gragnano Trebbiense?
No, no quakes were recorded today in the Gragnano Trebbiense area: the latest nearby dates back to 14 months ago.
Is Gragnano Trebbiense a seismic area?
Gragnano Trebbiense 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 Gragnano Trebbiense?
In the last ~11 years of INGV data, the strongest within 30 km of Gragnano Trebbiense was magnitude 3.9, in 2018.
When was the last quake near Gragnano Trebbiense?
The last quake recorded within 30 km of Gragnano Trebbiense was 1 month ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)