Earthquakes today in Pietra Marazzi
Today, within 30 km: no earthquakes recorded (updated at 10:58). Latest: M2.5 on 28 September 2024 at 12:12, 1 km North of Mombaruzzo, 19 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 Pietra Marazzi: 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 = 0.061 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Pietra Marazzi. “In the town”: quakes whose nearest town to the epicentre is Pietra Marazzi.
The seismic history of Pietra Marazzi
The earthquakes that were actually felt in Pietra Marazzi over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2002NF13 November 2002
Imperceptible: only instruments record it.
Franciacorta earthquake (M4.2), epicentre 139 km away
- 2000VI21 August 2000
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Monferrato earthquake (M4.9), epicentre 23 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 6 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
40 eventsLatest earthquakes within 30 km
Nearby towns
How does it compare with the surroundings?
Pietra Marazzi 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 Pietra Marazzi today?
No, no quakes were recorded today within 30 km of Pietra Marazzi. The latest dates back to 28 September 2024.
Is Pietra Marazzi a seismic area?
Pietra Marazzi 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 Pietra Marazzi?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Pietra Marazzi was magnitude 3.1, on 11 September 2020.
When was the last quake near Pietra Marazzi?
The last quake recorded within 30 km of Pietra Marazzi dates back to 28 September 2024, magnitude 2.5.
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)