Earthquakes in Castro
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 = 0.115 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Castro plus nearby towns.
The seismic history of Castro
The earthquakes that were actually felt in Castro 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 126 km away
- 1995IV29 October 1995
Moderate: felt by many indoors; glasses and dishes rattle.
Lago d'Iseo earthquake (M4.3), epicentre 19 km away
- 1993IV9 December 1993
Moderate: felt by many indoors; glasses and dishes rattle.
Lago d'Iseo earthquake (M4.1), epicentre 9 km away
- 1991II-III20 November 1991
Light: felt by few people, like a passing truck.
Grigioni, Vaz earthquake (M4.7), epicentre 111 km away
- 1989III-IV13 September 1989
Moderate: felt by many indoors; glasses and dishes rattle.
Prealpi Vicentine earthquake (M4.8), epicentre 94 km away
- 1802V12 May 1802
Rather strong: felt by almost everyone; hanging objects swing.
Valle dell'Oglio earthquake (M5.6), epicentre 45 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 20 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
45 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Castro 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 Bergamo1 events · 30gLombardy region11 events · 30gFrequently asked questions
Were there earthquakes today in Castro?
No, no quakes were recorded today in the Castro area: the latest nearby dates back to 6 days ago.
Is Castro a seismic area?
Castro 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 Castro?
In the last ~12 years of INGV data, the strongest within 30 km of Castro was magnitude 3.0, in 2015.
When was the last quake near Castro?
The last quake recorded within 30 km of Castro was 6 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)