Earthquakes in Colli del Tronto
Seismic activity in the surroundings
30 km radiusINGV catalogue epicentres of the last ~11 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 = 0.176 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Colli del Tronto plus nearby towns.
The seismic history of Colli del Tronto
The earthquakes that were actually felt in Colli del Tronto over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1998V5 April 1998
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M4.8), epicentre 87 km away
- 1997IV-V9 November 1997
Rather strong: felt by almost everyone; hanging objects swing.
Valnerina earthquake (M4.9), epicentre 62 km away
- 1997V14 October 1997
Rather strong: felt by almost everyone; hanging objects swing.
Valnerina earthquake (M5.6), epicentre 69 km away
- 1997IV-V6 October 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M5.5), epicentre 75 km away
- 1997V3 October 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M5.2), epicentre 77 km away
- 1997V-VI26 September 1997
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 72 km away
- 1997IV-V26 September 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 74 km away
- 1996V-VI9 July 1996
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Costa abruzzese-marchigiana earthquake (M4.2), epicentre 31 km away
- 1996III1 January 1996
Light: felt by few people, like a passing truck.
Maceratese earthquake (M4.2), epicentre 32 km away
- 1959IV1 January 1959
Moderate: felt by many indoors; glasses and dishes rattle.
Teramano earthquake (M4.3), epicentre 20 km away
- 1950VI5 September 1950
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Gran Sasso earthquake (M5.7), epicentre 43 km away
- 1943VII3 October 1943
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Ascolano earthquake (M5.7), epicentre 13 km away
…and 2 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 sits above this source area: the deep structure where this area's earthquakes can originate.
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?
Colli del Tronto 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 Ascoli Piceno33 events · 30gMarche region305 events · 30gFrequently asked questions
Were there earthquakes today in Colli del Tronto?
No, no quakes were recorded today in the Colli del Tronto area: the latest nearby dates back to 1 month ago.
Is Colli del Tronto a seismic area?
Colli del Tronto 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 Colli del Tronto?
In the last ~11 years of INGV data, the strongest within 30 km of Colli del Tronto was magnitude 4.0, in 2022.
When was the last quake near Colli del Tronto?
The last quake recorded within 30 km of Colli del Tronto was 4 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)