Earthquakes today in Rocca Grimalda
Today, within 30 km: no earthquakes recorded (updated at 13:16). Latest: M1.0 on 14 August 2026 at 07:12, 4 km South-West of Ceranesi, 12 km deep.
Latest earthquake within 30 km
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 Rocca Grimalda: zone 3
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 = 0.075 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Rocca Grimalda. “In the town”: quakes whose nearest town to the epicentre is Rocca Grimalda.
The seismic history of Rocca Grimalda
The earthquakes that were actually felt in Rocca Grimalda over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2005NF18 April 2005
Imperceptible: only instruments record it.
Valle del Trebbia earthquake (M4.0), epicentre 56 km away
- 2000V21 August 2000
Rather strong: felt by almost everyone; hanging objects swing.
Monferrato earthquake (M4.9), epicentre 33 km away
- 1970IV31 December 1970
Moderate: felt by many indoors; glasses and dishes rattle.
Liguria occidentale earthquake (M4.6), epicentre 72 km away
- 1904III16 January 1904
Light: felt by few people, like a passing truck.
Campo Ligure earthquake (M4.0), epicentre 28 km away
- 1901F23 January 1901
Moderate: felt by many indoors; glasses and dishes rattle.
Oltrepò Pavese earthquake (M4.2), epicentre 48 km away
- 1897III-IV6 July 1897
Moderate: felt by many indoors; glasses and dishes rattle.
Mar Ligure earthquake (M4.2), epicentre 29 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 29 km from Eastern Monferrato, 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
60 eventsLatest earthquakes within 30 km
Nearby towns
How does it compare with the surroundings?
Rocca Grimalda records more quakes than the average of its province.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Alessandria0 events · last 30 daysPiedmont region58 events · last 30 daysFrequently asked questions
Were there earthquakes near Rocca Grimalda today?
No, no quakes were recorded today within 30 km of Rocca Grimalda. The latest dates back to 14 August 2026.
Is Rocca Grimalda a seismic area?
Rocca Grimalda 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 Rocca Grimalda?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Rocca Grimalda was magnitude 3.1, on 11 September 2020.
When was the last quake near Rocca Grimalda?
The last quake recorded within 30 km of Rocca Grimalda dates back to 14 August 2026, magnitude 1.0.
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)