Earthquakes in Costarainera
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?
A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.
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 = 0.150 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Costarainera plus nearby towns.
The seismic history of Costarainera
The earthquakes that were actually felt in Costarainera over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1989IV26 December 1989
Moderate: felt by many indoors; glasses and dishes rattle.
Mar Ligure earthquake (M4.5), epicentre 51 km away
- 1968IV18 April 1968
Moderate: felt by many indoors; glasses and dishes rattle.
Liguria occidentale earthquake (M4.9), epicentre 23 km away
- 1963III-IV19 July 1963
Moderate: felt by many indoors; glasses and dishes rattle.
Mar Ligure earthquake (M6.0), epicentre 59 km away
- 1887VII-VIII23 February 1887
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Liguria occidentale earthquake (M6.3), epicentre 5 km away
- 1831VI26 May 1831
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Liguria occidentale earthquake (M5.6), epicentre 8 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 Imperia Promontory, 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
60 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Costarainera 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 Imperia5 events · 30gLiguria region13 events · 30gFrequently asked questions
Were there earthquakes today in Costarainera?
No, no quakes were recorded today in the Costarainera area: the latest nearby dates back to 6 days ago.
Is Costarainera a seismic area?
Costarainera is classified in seismic zone 2 by the Civil Protection. A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.
What was the strongest earthquake near Costarainera?
In the last ~12 years of INGV data, the strongest within 30 km of Costarainera was magnitude 3.2, in 2024.
When was the last quake near Costarainera?
The last quake recorded within 30 km of Costarainera was 2 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)