Earthquakes in Porto San Giorgio
Adriatico Centrale [Mare]
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 = 0.182 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Porto San Giorgio plus nearby towns.
The seismic history of Porto San Giorgio
The earthquakes that were actually felt in Porto San Giorgio over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2016V30 October 2016
Rather strong: felt by almost everyone; hanging objects swing.
Valnerina earthquake (M6.6), epicentre 68 km away
- 1997IV-V14 October 1997
Rather strong: felt by almost everyone; hanging objects swing.
Valnerina earthquake (M5.6), epicentre 79 km away
- 1997IV-V6 October 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M5.5), epicentre 78 km away
- 1997IV-V3 October 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M5.2), epicentre 80 km away
- 1997V26 September 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 78 km away
- 1997IV-V26 September 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 75 km away
- 1987V-VI4 September 1987
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Costa Marchigiana earthquake (M4.7), epicentre 5 km away
- 1987VII3 July 1987
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Costa Marchigiana earthquake (M5.1), epicentre 9 km away
- 1943V3 October 1943
Rather strong: felt by almost everyone; hanging objects swing.
Ascolano earthquake (M5.7), epicentre 30 km away
- 1930VI30 October 1930
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Senigallia earthquake (M5.8), epicentre 65 km away
- 1873V12 March 1873
Rather strong: felt by almost everyone; hanging objects swing.
Appennino marchigiano earthquake (M5.8), epicentre 45 km away
- 1795V19 June 1795
Rather strong: felt by almost everyone; hanging objects swing.
Maceratese earthquake (M4.7), epicentre 28 km away
…and 22 more documented effects in this town's history.
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 13 km from Conrad, 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?
Porto San Giorgio is about average for its province in recorded quakes.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Fermo9 events · 30gMarche region339 events · 30gFrequently asked questions
Were there earthquakes today in Porto San Giorgio?
No, no quakes were recorded today in the Porto San Giorgio area: the latest nearby dates back to 23 days ago.
Is Porto San Giorgio a seismic area?
Porto San Giorgio 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 Porto San Giorgio?
In the last ~12 years of INGV data, the strongest within 30 km of Porto San Giorgio was magnitude 4.0, in 2022.
When was the last quake near Porto San Giorgio?
The last quake recorded within 30 km of Porto San Giorgio was 10 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)