Earthquakes today in Gremiasco
Today, within 30 km: no earthquakes recorded (updated at 12:24). Latest: M1.8 on 2 October 2026 at 04:35, 5 km East of Cerignale, 10 km deep.
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 Gremiasco: 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 = 0.097 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Gremiasco. “In the town”: quakes whose nearest town to the epicentre is Gremiasco.
The seismic history of Gremiasco
The earthquakes that were actually felt in Gremiasco 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 20 km away
- 2005NF13 April 2005
Imperceptible: only instruments record it.
Valle del Trebbia earthquake (M3.7), epicentre 21 km away
- 1945VII29 June 1945
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Oltrepò Pavese earthquake (M5.1), epicentre 3 km away · observed at Colombassi
- 1945VII29 June 1945
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Oltrepò Pavese earthquake (M5.1), epicentre 3 km away
- 1945VI-VII14 June 1945
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Oltrepò Pavese earthquake (M4.8), epicentre 3 km away
- 1887V23 February 1887
Rather strong: felt by almost everyone; hanging objects swing.
Liguria occidentale earthquake (M6.3), epicentre 135 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 8 km from Rivanazzano-Stradella, 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?
Gremiasco 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 Gremiasco today?
No, no quakes were recorded today within 30 km of Gremiasco. The latest dates back to 2 October 2026.
Is Gremiasco a seismic area?
Gremiasco 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 Gremiasco?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Gremiasco was magnitude 4.0, on 16 April 2020.
When was the last quake near Gremiasco?
The last quake recorded within 30 km of Gremiasco dates back to 2 October 2026, magnitude 1.8.
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)