Earthquakes today in Terzo
Today, within 30 km: no earthquakes recorded (updated at 10:49). Latest: M1.7 on 30 September 2026 at 16:57, 2 km South-West of Coazzolo, 20 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 Terzo: 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 = 0.054 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Terzo. “In the town”: quakes whose nearest town to the epicentre is Terzo.
The seismic history of Terzo
The earthquakes that were actually felt in Terzo 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 173 km away
- 2001IV-V18 July 2001
Rather strong: felt by almost everyone; hanging objects swing.
Monferrato earthquake (M4.2), epicentre 13 km away
- 2000V21 August 2000
Rather strong: felt by almost everyone; hanging objects swing.
Monferrato earthquake (M4.9), epicentre 26 km away
- 1993NF17 July 1993
Imperceptible: only instruments record it.
Liguria occidentale earthquake (M4.3), epicentre 55 km away
- 1989NF26 December 1989
Imperceptible: only instruments record it.
Mar Ligure earthquake (M4.5), epicentre 148 km away
- 1887VI23 February 1887
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Liguria occidentale earthquake (M6.3), epicentre 94 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 41 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?
Terzo 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 Alessandria0 events · last 30 daysPiedmont region58 events · last 30 daysFrequently asked questions
Were there earthquakes near Terzo today?
No, no quakes were recorded today within 30 km of Terzo. The latest dates back to 30 September 2026.
Is Terzo a seismic area?
Terzo 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 Terzo?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Terzo was magnitude 3.1, on 10 October 2015.
When was the last quake near Terzo?
The last quake recorded within 30 km of Terzo dates back to 30 September 2026, magnitude 1.7.
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)