Earthquakes in Rossa
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?
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 = 0.059 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Rossa plus nearby towns.
The seismic history of Rossa
The earthquakes that were actually felt in Rossa over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2005NF8 September 2005
Imperceptible: only instruments record it.
Massif du Mont-Blanc earthquake (M4.4), epicentre 99 km away
- 2002NF13 November 2002
Imperceptible: only instruments record it.
Franciacorta earthquake (M4.2), epicentre 158 km away
- 1993IV-V14 June 1993
Rather strong: felt by almost everyone; hanging objects swing.
Val d'Ossola earthquake (M4.3), epicentre 18 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 Western Valais, 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
20 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Rossa sits in one of the most seismically active areas of its province: quakes are a familiar presence here, almost always light.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Vercelli0 events · 30gPiedmont region34 events · 30gFrequently asked questions
Were there earthquakes today in Rossa?
No, no quakes were recorded today in the Rossa area: the latest nearby dates back to 2 months ago.
Is Rossa a seismic area?
Rossa 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 Rossa?
In the last ~12 years of INGV data, the strongest within 30 km of Rossa was magnitude 2.4, in 2024.
When was the last quake near Rossa?
The last quake recorded within 30 km of Rossa 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)