Earthquakes in Caiolo
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 = 0.063 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Caiolo plus nearby towns.
The seismic history of Caiolo
The earthquakes that were actually felt in Caiolo over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2001NF17 July 2001
Imperceptible: only instruments record it.
Val Venosta earthquake (M4.8), epicentre 117 km away
- 1999III29 December 1999
Light: felt by few people, like a passing truck.
Alpi Retiche earthquake (M4.8), epicentre 63 km away
- 1991IV-V20 November 1991
Rather strong: felt by almost everyone; hanging objects swing.
Grigioni, Vaz earthquake (M4.7), epicentre 74 km away
- 1983III-IV9 November 1983
Moderate: felt by many indoors; glasses and dishes rattle.
Parmense earthquake (M5.0), epicentre 153 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 45 km from Western S-Alps internal thrust, 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
2 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Caiolo 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 Sondrio5 events · 30gLombardy region11 events · 30gFrequently asked questions
Were there earthquakes today in Caiolo?
No, no quakes were recorded today in the Caiolo area: the latest nearby dates back to 93 months ago.
Is Caiolo a seismic area?
Caiolo 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 Caiolo?
In the last ~12 years of INGV data, the strongest within 30 km of Caiolo was magnitude 2.8, in 2019.
When was the last quake near Caiolo?
The last quake recorded within 30 km of Caiolo 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)