Earthquakes in Porano
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?
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 = 0.145 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Porano plus nearby towns.
The seismic history of Porano
The earthquakes that were actually felt in Porano over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2000IV1 April 2000
Moderate: felt by many indoors; glasses and dishes rattle.
Monte Amiata earthquake (M4.5), epicentre 37 km away
- 1998V5 April 1998
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M4.8), epicentre 79 km away
- 1997V14 October 1997
Rather strong: felt by almost everyone; hanging objects swing.
Valnerina earthquake (M5.6), epicentre 70 km away
- 1997IV-V6 October 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M5.5), epicentre 73 km away
- 1997V3 October 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M5.2), epicentre 72 km away
- 1997V26 September 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 76 km away
- 1997V26 September 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 73 km away
- 1979V19 September 1979
Rather strong: felt by almost everyone; hanging objects swing.
Valnerina earthquake (M5.8), epicentre 71 km away
- 1957VI6 December 1957
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Orvietano earthquake (M5.0), epicentre 6 km away
- 1901IV-V19 January 1901
Rather strong: felt by almost everyone; hanging objects swing.
Orvieto earthquake (M4.2), epicentre 5 km away
- 1695VII-VIII11 June 1695
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Lazio settentrionale earthquake (M5.8), epicentre 8 km away
- 1695VII-VIII11 June 1695
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Lazio settentrionale earthquake (M5.8), epicentre 8 km away · observed at Castel Rubello
…and 7 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 49 km from Mugello-Citta' di Castello-Leonessa, 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?
Porano 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 Terni22 events · 30gUmbria region366 events · 30gFrequently asked questions
Were there earthquakes today in Porano?
No, no quakes were recorded today in the Porano area: the latest nearby dates back to 1 month ago.
Is Porano a seismic area?
Porano 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 Porano?
In the last ~12 years of INGV data, the strongest within 30 km of Porano was magnitude 4.1, in 2016.
When was the last quake near Porano?
The last quake recorded within 30 km of Porano was 16 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)